diff --git a/core/modules/block/tests/src/Functional/BlockTest.php b/core/modules/block/tests/src/Functional/BlockTest.php
index 8aec3b2741f1..a0deb4d4572a 100644
--- a/core/modules/block/tests/src/Functional/BlockTest.php
+++ b/core/modules/block/tests/src/Functional/BlockTest.php
@@ -42,13 +42,13 @@ class BlockTest extends BlockTestBase {
     $edit['visibility[request_path][negate]'] = TRUE;
     $edit['visibility[user_role][roles][' . RoleInterface::AUTHENTICATED_ID . ']'] = TRUE;
     $this->drupalGet('admin/structure/block/add/' . $block_name . '/' . $default_theme);
-    $this->assertFieldChecked('edit-visibility-request-path-negate-0');
+    $this->assertSession()->checkboxChecked('edit-visibility-request-path-negate-0');
 
     $this->drupalPostForm(NULL, $edit, t('Save block'));
     $this->assertText('The block configuration has been saved.', 'Block was saved');
 
     $this->clickLink('Configure');
-    $this->assertFieldChecked('edit-visibility-request-path-negate-1');
+    $this->assertSession()->checkboxChecked('edit-visibility-request-path-negate-1');
 
     $this->drupalGet('');
     $this->assertText($title, 'Block was displayed on the front page.');
@@ -85,14 +85,14 @@ class BlockTest extends BlockTestBase {
     $edit['visibility[user_role][roles][' . RoleInterface::AUTHENTICATED_ID . ']'] = TRUE;
     $this->drupalPostForm('admin/structure/block/add/' . $block_name . '/' . $default_theme, $edit, t('Save block'));
     $this->clickLink('Configure');
-    $this->assertFieldChecked('edit-visibility-user-role-roles-authenticated');
+    $this->assertSession()->checkboxChecked('edit-visibility-user-role-roles-authenticated');
 
     $edit = [
       'visibility[user_role][roles][' . RoleInterface::AUTHENTICATED_ID . ']' => FALSE,
     ];
     $this->drupalPostForm(NULL, $edit, 'Save block');
     $this->clickLink('Configure');
-    $this->assertNoFieldChecked('edit-visibility-user-role-roles-authenticated');
+    $this->assertSession()->checkboxNotChecked('edit-visibility-user-role-roles-authenticated');
 
     // Ensure that no visibility is configured.
     /** @var \Drupal\block\BlockInterface $block */
@@ -316,7 +316,7 @@ class BlockTest extends BlockTestBase {
     $this->assertText('The block configuration has been saved.', 'Block was saved');
 
     $this->drupalGet('admin/structure/block/manage/' . $id);
-    $this->assertFieldChecked('edit-settings-label-display', 'The display_block option has the correct default value on the configuration form.');
+    $this->assertSession()->checkboxChecked('edit-settings-label-display');
 
     $this->drupalGet('user');
     $this->assertText($title, 'Block title was displayed when enabled.');
diff --git a/core/modules/comment/tests/src/Functional/CommentAdminTest.php b/core/modules/comment/tests/src/Functional/CommentAdminTest.php
index 22c1fa748f8b..6036924f5488 100644
--- a/core/modules/comment/tests/src/Functional/CommentAdminTest.php
+++ b/core/modules/comment/tests/src/Functional/CommentAdminTest.php
@@ -165,7 +165,7 @@ class CommentAdminTest extends CommentTestBase {
 
     // Approve comment.
     $this->drupalGet('comment/1/edit');
-    $this->assertFieldChecked('edit-status-0');
+    $this->assertSession()->checkboxChecked('edit-status-0');
     $this->drupalGet('node/' . $this->node->id());
     $this->clickLink(t('Approve'));
     $this->drupalLogout();
diff --git a/core/modules/comment/tests/src/Functional/CommentNonNodeTest.php b/core/modules/comment/tests/src/Functional/CommentNonNodeTest.php
index f436335e0a0d..8023bd204fbe 100644
--- a/core/modules/comment/tests/src/Functional/CommentNonNodeTest.php
+++ b/core/modules/comment/tests/src/Functional/CommentNonNodeTest.php
@@ -403,9 +403,9 @@ class CommentNonNodeTest extends BrowserTestBase {
     ]);
     $this->drupalLogin($limited_user);
     $this->drupalGet('entity_test/structure/entity_test/fields/entity_test.entity_test.comment');
-    $this->assertNoFieldChecked('edit-default-value-input-comment-0-status-0');
-    $this->assertNoFieldChecked('edit-default-value-input-comment-0-status-1');
-    $this->assertFieldChecked('edit-default-value-input-comment-0-status-2');
+    $this->assertSession()->checkboxNotChecked('edit-default-value-input-comment-0-status-0');
+    $this->assertSession()->checkboxNotChecked('edit-default-value-input-comment-0-status-1');
+    $this->assertSession()->checkboxChecked('edit-default-value-input-comment-0-status-2');
     // Test comment option change in field settings.
     $edit = [
       'default_value_input[comment][0][status]' => CommentItemInterface::CLOSED,
@@ -413,9 +413,9 @@ class CommentNonNodeTest extends BrowserTestBase {
     ];
     $this->drupalPostForm(NULL, $edit, t('Save settings'));
     $this->drupalGet('entity_test/structure/entity_test/fields/entity_test.entity_test.comment');
-    $this->assertNoFieldChecked('edit-default-value-input-comment-0-status-0');
-    $this->assertFieldChecked('edit-default-value-input-comment-0-status-1');
-    $this->assertNoFieldChecked('edit-default-value-input-comment-0-status-2');
+    $this->assertSession()->checkboxNotChecked('edit-default-value-input-comment-0-status-0');
+    $this->assertSession()->checkboxChecked('edit-default-value-input-comment-0-status-1');
+    $this->assertSession()->checkboxNotChecked('edit-default-value-input-comment-0-status-2');
     $this->assertFieldByName('settings[anonymous]', CommentInterface::ANONYMOUS_MAY_CONTACT);
 
     // Add a new comment-type.
@@ -448,8 +448,8 @@ class CommentNonNodeTest extends BrowserTestBase {
     $new_entity = EntityTest::create($data);
     $new_entity->save();
     $this->drupalGet('entity_test/manage/' . $new_entity->id() . '/edit');
-    $this->assertNoFieldChecked('edit-field-foobar-0-status-1');
-    $this->assertFieldChecked('edit-field-foobar-0-status-2');
+    $this->assertSession()->checkboxNotChecked('edit-field-foobar-0-status-1');
+    $this->assertSession()->checkboxChecked('edit-field-foobar-0-status-2');
     $this->assertNoField('edit-field-foobar-0-status-0');
 
     // @todo Check proper url and form https://www.drupal.org/node/2458323
diff --git a/core/modules/contact/tests/src/Functional/ContactPersonalTest.php b/core/modules/contact/tests/src/Functional/ContactPersonalTest.php
index da19685e17e7..32b7588f7b0d 100644
--- a/core/modules/contact/tests/src/Functional/ContactPersonalTest.php
+++ b/core/modules/contact/tests/src/Functional/ContactPersonalTest.php
@@ -222,10 +222,10 @@ class ContactPersonalTest extends BrowserTestBase {
     // Test enabling and disabling the contact page through the user profile
     // form.
     $this->drupalGet('user/' . $this->webUser->id() . '/edit');
-    $this->assertNoFieldChecked('edit-contact--2');
+    $this->assertSession()->checkboxNotChecked('edit-contact--2');
     $this->assertNull(\Drupal::service('user.data')->get('contact', $this->webUser->id(), 'enabled'), 'Personal contact form disabled');
     $this->drupalPostForm(NULL, ['contact' => TRUE], t('Save'));
-    $this->assertFieldChecked('edit-contact--2');
+    $this->assertSession()->checkboxChecked('edit-contact--2');
     $this->assertNotEmpty(\Drupal::service('user.data')->get('contact', $this->webUser->id(), 'enabled'), 'Personal contact form enabled');
 
     // Test with disabled global default contact form in combination with a user
@@ -288,10 +288,10 @@ class ContactPersonalTest extends BrowserTestBase {
     $this->drupalLogin($this->adminUser);
     $this->drupalGet('admin/people/create');
     if ($this->config('contact.settings')->get('user_default_enabled', TRUE)) {
-      $this->assertFieldChecked('edit-contact--2');
+      $this->assertSession()->checkboxChecked('edit-contact--2');
     }
     else {
-      $this->assertNoFieldChecked('edit-contact--2');
+      $this->assertSession()->checkboxNotChecked('edit-contact--2');
     }
     $name = $this->randomMachineName();
     $edit = [
diff --git a/core/modules/content_translation/tests/src/Functional/ContentTranslationEntityBundleUITest.php b/core/modules/content_translation/tests/src/Functional/ContentTranslationEntityBundleUITest.php
index deda601b424c..8d6a311024c7 100644
--- a/core/modules/content_translation/tests/src/Functional/ContentTranslationEntityBundleUITest.php
+++ b/core/modules/content_translation/tests/src/Functional/ContentTranslationEntityBundleUITest.php
@@ -48,7 +48,7 @@ class ContentTranslationEntityBundleUITest extends BrowserTestBase {
     // Make sure add page does not inherit translation configuration from first
     // content type.
     $this->drupalGet('admin/structure/types/add');
-    $this->assertNoFieldChecked('edit-language-configuration-content-translation');
+    $this->assertSession()->checkboxNotChecked('edit-language-configuration-content-translation');
 
     // Create second content type and set content translation.
     $edit = [
@@ -60,7 +60,7 @@ class ContentTranslationEntityBundleUITest extends BrowserTestBase {
 
     // Make sure the settings are saved when creating the content type.
     $this->drupalGet('admin/structure/types/manage/page');
-    $this->assertFieldChecked('edit-language-configuration-content-translation');
+    $this->assertSession()->checkboxChecked('edit-language-configuration-content-translation');
 
   }
 
diff --git a/core/modules/content_translation/tests/src/Functional/ContentTranslationSettingsTest.php b/core/modules/content_translation/tests/src/Functional/ContentTranslationSettingsTest.php
index 6b0771cc298f..05e223dfe445 100644
--- a/core/modules/content_translation/tests/src/Functional/ContentTranslationSettingsTest.php
+++ b/core/modules/content_translation/tests/src/Functional/ContentTranslationSettingsTest.php
@@ -158,7 +158,7 @@ class ContentTranslationSettingsTest extends BrowserTestBase {
     // Verify language widget appears on comment type form.
     $this->drupalGet('admin/structure/comment/manage/comment_article');
     $this->assertField('language_configuration[content_translation]');
-    $this->assertFieldChecked('edit-language-configuration-content-translation');
+    $this->assertSession()->checkboxChecked('edit-language-configuration-content-translation');
 
     // Verify that translation may be enabled for the article content type.
     $edit = [
@@ -167,10 +167,10 @@ class ContentTranslationSettingsTest extends BrowserTestBase {
     // Make sure the checkbox is available and not checked by default.
     $this->drupalGet('admin/structure/types/manage/article');
     $this->assertField('language_configuration[content_translation]');
-    $this->assertNoFieldChecked('edit-language-configuration-content-translation');
+    $this->assertSession()->checkboxNotChecked('edit-language-configuration-content-translation');
     $this->drupalPostForm('admin/structure/types/manage/article', $edit, t('Save content type'));
     $this->drupalGet('admin/structure/types/manage/article');
-    $this->assertFieldChecked('edit-language-configuration-content-translation');
+    $this->assertSession()->checkboxChecked('edit-language-configuration-content-translation');
 
     // Test that the title field of nodes is available in the settings form.
     $edit = [
@@ -228,14 +228,14 @@ class ContentTranslationSettingsTest extends BrowserTestBase {
     // Make sure the checkbox is available and not checked by default.
     $this->drupalGet('admin/config/people/accounts');
     $this->assertField('language[content_translation]');
-    $this->assertNoFieldChecked('edit-language-content-translation');
+    $this->assertSession()->checkboxNotChecked('edit-language-content-translation');
 
     $edit = [
       'language[content_translation]' => TRUE,
     ];
     $this->drupalPostForm('admin/config/people/accounts', $edit, t('Save configuration'));
     $this->drupalGet('admin/config/people/accounts');
-    $this->assertFieldChecked('edit-language-content-translation');
+    $this->assertSession()->checkboxChecked('edit-language-content-translation');
 
     // Make sure account settings can be saved.
     $this->drupalPostForm('admin/config/people/accounts', ['anonymous' => 'Save me please!'], 'Save configuration');
diff --git a/core/modules/content_translation/tests/src/Functional/ContentTranslationSyncImageTest.php b/core/modules/content_translation/tests/src/Functional/ContentTranslationSyncImageTest.php
index 0b88df350d3f..14c72d3ee952 100644
--- a/core/modules/content_translation/tests/src/Functional/ContentTranslationSyncImageTest.php
+++ b/core/modules/content_translation/tests/src/Functional/ContentTranslationSyncImageTest.php
@@ -103,8 +103,8 @@ class ContentTranslationSyncImageTest extends ContentTranslationTestBase {
     // Check that the alt and title fields are enabled for the image field.
     $this->drupalLogin($this->editor);
     $this->drupalGet('entity_test_mul/structure/' . $this->entityTypeId . '/fields/' . $this->entityTypeId . '.' . $this->entityTypeId . '.' . $this->fieldName);
-    $this->assertFieldChecked('edit-third-party-settings-content-translation-translation-sync-alt');
-    $this->assertFieldChecked('edit-third-party-settings-content-translation-translation-sync-title');
+    $this->assertSession()->checkboxChecked('edit-third-party-settings-content-translation-translation-sync-alt');
+    $this->assertSession()->checkboxChecked('edit-third-party-settings-content-translation-translation-sync-title');
     $edit = [
       'third_party_settings[content_translation][translation_sync][alt]' => FALSE,
       'third_party_settings[content_translation][translation_sync][title]' => FALSE,
@@ -114,8 +114,8 @@ class ContentTranslationSyncImageTest extends ContentTranslationTestBase {
     // Check that the content translation settings page reflects the changes
     // performed in the field edit page.
     $this->drupalGet('admin/config/regional/content-language');
-    $this->assertNoFieldChecked('edit-settings-entity-test-mul-entity-test-mul-columns-field-test-et-ui-image-alt');
-    $this->assertNoFieldChecked('edit-settings-entity-test-mul-entity-test-mul-columns-field-test-et-ui-image-title');
+    $this->assertSession()->checkboxNotChecked('edit-settings-entity-test-mul-entity-test-mul-columns-field-test-et-ui-image-alt');
+    $this->assertSession()->checkboxNotChecked('edit-settings-entity-test-mul-entity-test-mul-columns-field-test-et-ui-image-title');
     $edit = [
       'settings[entity_test_mul][entity_test_mul][fields][field_test_et_ui_image]' => TRUE,
       'settings[entity_test_mul][entity_test_mul][columns][field_test_et_ui_image][alt]' => TRUE,
@@ -124,8 +124,8 @@ class ContentTranslationSyncImageTest extends ContentTranslationTestBase {
     $this->drupalPostForm('admin/config/regional/content-language', $edit, t('Save configuration'));
     $errors = $this->xpath('//div[contains(@class, "messages--error")]');
     $this->assertEmpty($errors, 'Settings correctly stored.');
-    $this->assertFieldChecked('edit-settings-entity-test-mul-entity-test-mul-columns-field-test-et-ui-image-alt');
-    $this->assertFieldChecked('edit-settings-entity-test-mul-entity-test-mul-columns-field-test-et-ui-image-title');
+    $this->assertSession()->checkboxChecked('edit-settings-entity-test-mul-entity-test-mul-columns-field-test-et-ui-image-alt');
+    $this->assertSession()->checkboxChecked('edit-settings-entity-test-mul-entity-test-mul-columns-field-test-et-ui-image-title');
     $this->drupalLogin($this->translator);
 
     $default_langcode = $this->langcodes[0];
diff --git a/core/modules/field/tests/src/Functional/Views/FieldUITest.php b/core/modules/field/tests/src/Functional/Views/FieldUITest.php
index ea7506780b08..4ed44e31ea25 100644
--- a/core/modules/field/tests/src/Functional/Views/FieldUITest.php
+++ b/core/modules/field/tests/src/Functional/Views/FieldUITest.php
@@ -160,7 +160,7 @@ class FieldUITest extends FieldTestBase {
     $this->drupalPostForm(NULL, ['options[value]' => 'All', 'options[expose][required]' => FALSE], 'Apply');
     $this->drupalPostForm(NULL, [], 'Save');
     $this->drupalGet('/admin/structure/views/nojs/handler/test_view_fieldapi/default/filter/field_boolean_value');
-    $this->assertFieldChecked('edit-options-value-all');
+    $this->assertSession()->checkboxChecked('edit-options-value-all');
   }
 
 }
diff --git a/core/modules/language/tests/src/Functional/LanguageConfigurationElementTest.php b/core/modules/language/tests/src/Functional/LanguageConfigurationElementTest.php
index 0424c164cb2d..2ff5950c92f6 100644
--- a/core/modules/language/tests/src/Functional/LanguageConfigurationElementTest.php
+++ b/core/modules/language/tests/src/Functional/LanguageConfigurationElementTest.php
@@ -58,7 +58,7 @@ class LanguageConfigurationElementTest extends BrowserTestBase {
     $this->assertFalse($lang_conf->isLanguageAlterable());
     $this->drupalGet('language-tests/language_configuration_element');
     $this->assertTrue($this->assertSession()->optionExists('edit-lang-configuration-langcode', 'current_interface')->isSelected());
-    $this->assertNoFieldChecked('edit-lang-configuration-language-alterable');
+    $this->assertSession()->checkboxNotChecked('edit-lang-configuration-language-alterable');
 
     // Reload the page and save again.
     $this->drupalGet('language-tests/language_configuration_element');
@@ -72,7 +72,7 @@ class LanguageConfigurationElementTest extends BrowserTestBase {
     $this->assertTrue($lang_conf->isLanguageAlterable());
     $this->drupalGet('language-tests/language_configuration_element');
     $this->assertTrue($this->assertSession()->optionExists('edit-lang-configuration-langcode', 'authors_default')->isSelected());
-    $this->assertFieldChecked('edit-lang-configuration-language-alterable');
+    $this->assertSession()->checkboxChecked('edit-lang-configuration-language-alterable');
 
     // Test if content type settings have been saved.
     $edit = [
@@ -86,7 +86,7 @@ class LanguageConfigurationElementTest extends BrowserTestBase {
     // Make sure the settings are saved when creating the content type.
     $this->drupalGet('admin/structure/types/manage/page');
     $this->assertTrue($this->assertSession()->optionExists('edit-language-configuration-langcode', 'authors_default')->isSelected());
-    $this->assertFieldChecked('edit-language-configuration-language-alterable');
+    $this->assertSession()->checkboxChecked('edit-language-configuration-language-alterable');
 
   }
 
diff --git a/core/modules/language/tests/src/Functional/LanguageConfigurationTest.php b/core/modules/language/tests/src/Functional/LanguageConfigurationTest.php
index 23d27740d436..f316f44b3cac 100644
--- a/core/modules/language/tests/src/Functional/LanguageConfigurationTest.php
+++ b/core/modules/language/tests/src/Functional/LanguageConfigurationTest.php
@@ -70,7 +70,7 @@ class LanguageConfigurationTest extends BrowserTestBase {
 
     // Check if we can change the default language.
     $this->drupalGet('admin/config/regional/language');
-    $this->assertFieldChecked('edit-site-default-language-en', 'English is the default language.');
+    $this->assertSession()->checkboxChecked('edit-site-default-language-en');
 
     // Change the default language.
     $edit = [
@@ -78,7 +78,7 @@ class LanguageConfigurationTest extends BrowserTestBase {
     ];
     $this->drupalPostForm(NULL, $edit, t('Save configuration'));
     $this->rebuildContainer();
-    $this->assertFieldChecked('edit-site-default-language-fr', 'Default language updated.');
+    $this->assertSession()->checkboxChecked('edit-site-default-language-fr');
     $this->assertUrl(Url::fromRoute('entity.configurable_language.collection', [], ['absolute' => TRUE, 'langcode' => 'fr'])->toString(), [], 'Correct page redirection.');
 
     // Check if a valid language prefix is added after changing the default
diff --git a/core/modules/language/tests/src/Functional/LanguageCustomLanguageConfigurationTest.php b/core/modules/language/tests/src/Functional/LanguageCustomLanguageConfigurationTest.php
index ecb68668cbac..235e09ad0c27 100644
--- a/core/modules/language/tests/src/Functional/LanguageCustomLanguageConfigurationTest.php
+++ b/core/modules/language/tests/src/Functional/LanguageCustomLanguageConfigurationTest.php
@@ -47,7 +47,7 @@ class LanguageCustomLanguageConfigurationTest extends BrowserTestBase {
     $this->assertText(t('@name field is required.', ['@name' => t('Language code')]));
     $this->assertText(t('@name field is required.', ['@name' => t('Language name')]));
     $empty_language = new Language();
-    $this->assertFieldChecked('edit-direction-' . $empty_language->getDirection(), 'Consistent usage of language direction.');
+    $this->assertSession()->checkboxChecked('edit-direction-' . $empty_language->getDirection());
     $this->assertUrl(Url::fromRoute('language.add', [], ['absolute' => TRUE])->toString(), [], 'Correct page redirection.');
 
     // Test validation of invalid values.
diff --git a/core/modules/language/tests/src/Functional/LanguageListTest.php b/core/modules/language/tests/src/Functional/LanguageListTest.php
index 80d839f6b672..9f3205ec1a40 100644
--- a/core/modules/language/tests/src/Functional/LanguageListTest.php
+++ b/core/modules/language/tests/src/Functional/LanguageListTest.php
@@ -79,14 +79,14 @@ class LanguageListTest extends BrowserTestBase {
     // Check if we can change the default language.
     $path = 'admin/config/regional/language';
     $this->drupalGet($path);
-    $this->assertFieldChecked('edit-site-default-language-en', 'English is the default language.');
+    $this->assertSession()->checkboxChecked('edit-site-default-language-en');
     // Change the default language.
     $edit = [
       'site_default_language' => $langcode,
     ];
     $this->drupalPostForm(NULL, $edit, t('Save configuration'));
     $this->rebuildContainer();
-    $this->assertNoFieldChecked('edit-site-default-language-en', 'Default language updated.');
+    $this->assertSession()->checkboxNotChecked('edit-site-default-language-en');
     $this->assertUrl(Url::fromRoute('entity.configurable_language.collection', [], ['absolute' => TRUE, 'language' => $language])->toString());
 
     // Ensure we can't delete the default language.
@@ -164,14 +164,14 @@ class LanguageListTest extends BrowserTestBase {
     // Check if we can change the default language.
     $path = 'admin/config/regional/language';
     $this->drupalGet($path);
-    $this->assertFieldChecked('edit-site-default-language-en', 'English is the default language.');
+    $this->assertSession()->checkboxChecked('edit-site-default-language-en');
     // Change the default language.
     $edit = [
       'site_default_language' => $langcode,
     ];
     $this->drupalPostForm(NULL, $edit, t('Save configuration'));
     $this->rebuildContainer();
-    $this->assertNoFieldChecked('edit-site-default-language-en', 'Default language updated.');
+    $this->assertSession()->checkboxNotChecked('edit-site-default-language-en');
     $this->assertUrl(Url::fromRoute('entity.configurable_language.collection', [], ['absolute' => TRUE, 'language' => $language])->toString());
 
     $this->drupalPostForm('admin/config/regional/language/delete/en', [], t('Delete'));
@@ -200,7 +200,7 @@ class LanguageListTest extends BrowserTestBase {
 
     $this->drupalPostForm(NULL, ['site_default_language' => 'nl'], 'Save configuration');
     $this->assertText(t('Selected default language no longer exists.'));
-    $this->assertNoFieldChecked('edit-site-default-language-xx', 'The previous default language got deselected.');
+    $this->assertSession()->checkboxNotChecked('edit-site-default-language-xx');
   }
 
   /**
diff --git a/core/modules/menu_ui/tests/src/Functional/MenuUiTest.php b/core/modules/menu_ui/tests/src/Functional/MenuUiTest.php
index dc444ce786fa..6c30e43372a7 100644
--- a/core/modules/menu_ui/tests/src/Functional/MenuUiTest.php
+++ b/core/modules/menu_ui/tests/src/Functional/MenuUiTest.php
@@ -502,8 +502,8 @@ class MenuUiTest extends BrowserTestBase {
     $this->assertFieldByName('title[0][value]', '');
     $this->assertFieldByName('link[0][uri]', '');
 
-    $this->assertNoFieldChecked('edit-expanded-value');
-    $this->assertFieldChecked('edit-enabled-value');
+    $this->assertSession()->checkboxNotChecked('edit-expanded-value');
+    $this->assertSession()->checkboxChecked('edit-enabled-value');
 
     $this->assertFieldByName('description[0][value]', '');
     $this->assertFieldByName('weight[0][value]', 0);
diff --git a/core/modules/node/tests/src/Functional/MultiStepNodeFormBasicOptionsTest.php b/core/modules/node/tests/src/Functional/MultiStepNodeFormBasicOptionsTest.php
index 5e49d08accb9..6b398206325f 100644
--- a/core/modules/node/tests/src/Functional/MultiStepNodeFormBasicOptionsTest.php
+++ b/core/modules/node/tests/src/Functional/MultiStepNodeFormBasicOptionsTest.php
@@ -65,8 +65,8 @@ class MultiStepNodeFormBasicOptionsTest extends NodeTestBase {
       "{$this->fieldName}[0][value]" => $this->randomString(32),
     ];
     $this->drupalPostForm('node/add/page', $edit, t('Add another item'));
-    $this->assertNoFieldChecked('edit-promote-value', 'Promote stayed unchecked');
-    $this->assertFieldChecked('edit-sticky-value', 'Sticky stayed checked');
+    $this->assertSession()->checkboxNotChecked('edit-promote-value');
+    $this->assertSession()->checkboxChecked('edit-sticky-value');
   }
 
 }
diff --git a/core/modules/node/tests/src/Functional/NodeRevisionsUiBypassAccessTest.php b/core/modules/node/tests/src/Functional/NodeRevisionsUiBypassAccessTest.php
index 37fff0c12225..049afb4db2f0 100644
--- a/core/modules/node/tests/src/Functional/NodeRevisionsUiBypassAccessTest.php
+++ b/core/modules/node/tests/src/Functional/NodeRevisionsUiBypassAccessTest.php
@@ -68,7 +68,7 @@ class NodeRevisionsUiBypassAccessTest extends NodeTestBase {
 
     // Verify the checkbox is checked on the node edit form.
     $this->drupalGet('node/' . $node->id() . '/edit');
-    $this->assertFieldChecked('edit-revision', "'Create new revision' checkbox is checked");
+    $this->assertSession()->checkboxChecked('edit-revision');
 
     // Uncheck the create new revision checkbox and save the node.
     $edit = ['revision' => FALSE];
@@ -80,7 +80,7 @@ class NodeRevisionsUiBypassAccessTest extends NodeTestBase {
 
     // Verify the checkbox is checked on the node edit form.
     $this->drupalGet('node/' . $node->id() . '/edit');
-    $this->assertFieldChecked('edit-revision', "'Create new revision' checkbox is checked");
+    $this->assertSession()->checkboxChecked('edit-revision');
 
     // Submit the form without changing the checkbox.
     $edit = [];
@@ -100,7 +100,7 @@ class NodeRevisionsUiBypassAccessTest extends NodeTestBase {
 
     // Verify the checkbox is unchecked on the node edit form.
     $this->drupalGet('node/' . $node->id() . '/edit');
-    $this->assertNoFieldChecked('edit-revision', "'Create new revision' checkbox is unchecked");
+    $this->assertSession()->checkboxNotChecked('edit-revision');
     // Submit the form without changing the checkbox.
     $edit = [];
     $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, 'Save');
@@ -112,7 +112,7 @@ class NodeRevisionsUiBypassAccessTest extends NodeTestBase {
 
     // Verify the checkbox is unchecked on the node edit form.
     $this->drupalGet('node/' . $node->id() . '/edit');
-    $this->assertNoFieldChecked('edit-revision', "'Create new revision' checkbox is unchecked");
+    $this->assertSession()->checkboxNotChecked('edit-revision');
 
     // Check the 'create new revision' checkbox and save the node.
     $edit = ['revision' => TRUE];
diff --git a/core/modules/node/tests/src/Functional/NodeRevisionsUiTest.php b/core/modules/node/tests/src/Functional/NodeRevisionsUiTest.php
index 75e2cb1e68cf..9ebcaf31114a 100644
--- a/core/modules/node/tests/src/Functional/NodeRevisionsUiTest.php
+++ b/core/modules/node/tests/src/Functional/NodeRevisionsUiTest.php
@@ -57,7 +57,7 @@ class NodeRevisionsUiTest extends NodeTestBase {
 
     // Verify the checkbox is checked on the node edit form.
     $this->drupalGet('node/' . $node->id() . '/edit');
-    $this->assertFieldChecked('edit-revision', "'Create new revision' checkbox is checked");
+    $this->assertSession()->checkboxChecked('edit-revision');
 
     // Uncheck the create new revision checkbox and save the node.
     $edit = ['revision' => FALSE];
@@ -70,7 +70,7 @@ class NodeRevisionsUiTest extends NodeTestBase {
 
     // Verify the checkbox is checked on the node edit form.
     $this->drupalGet('node/' . $node->id() . '/edit');
-    $this->assertFieldChecked('edit-revision', "'Create new revision' checkbox is checked");
+    $this->assertSession()->checkboxChecked('edit-revision');
 
     // Submit the form without changing the checkbox.
     $edit = [];
diff --git a/core/modules/node/tests/src/Functional/NodeTypeInitialLanguageTest.php b/core/modules/node/tests/src/Functional/NodeTypeInitialLanguageTest.php
index 6ba3f5f26060..c415307e35e5 100644
--- a/core/modules/node/tests/src/Functional/NodeTypeInitialLanguageTest.php
+++ b/core/modules/node/tests/src/Functional/NodeTypeInitialLanguageTest.php
@@ -46,7 +46,7 @@ class NodeTypeInitialLanguageTest extends NodeTestBase {
   public function testNodeTypeInitialLanguageDefaults() {
     $this->drupalGet('admin/structure/types/manage/article');
     $this->assertTrue($this->assertSession()->optionExists('edit-language-configuration-langcode', LanguageInterface::LANGCODE_SITE_DEFAULT)->isSelected());
-    $this->assertNoFieldChecked('edit-language-configuration-language-alterable', 'Language selector is hidden by default.');
+    $this->assertSession()->checkboxNotChecked('edit-language-configuration-language-alterable');
 
     // Tests if the language field cannot be rearranged on the manage fields tab.
     $this->drupalGet('admin/structure/types/manage/article/fields');
diff --git a/core/modules/node/tests/src/Functional/PagePreviewTest.php b/core/modules/node/tests/src/Functional/PagePreviewTest.php
index 7650fd694552..77b449a71f1e 100644
--- a/core/modules/node/tests/src/Functional/PagePreviewTest.php
+++ b/core/modules/node/tests/src/Functional/PagePreviewTest.php
@@ -408,7 +408,7 @@ class PagePreviewTest extends NodeTestBase {
     ];
     $this->drupalPostForm(NULL, $edit, t('Preview'));
     $this->clickLink(t('Back to content editing'));
-    $this->assertFieldChecked('edit-menu-enabled', 'Menu option is still checked');
+    $this->assertSession()->checkboxChecked('edit-menu-enabled');
     $this->assertFieldByName('menu[title]', 'Changed title', 'Menu link title is correct after preview');
 
     // Save, change the title while saving and make sure that it is correctly
diff --git a/core/modules/options/tests/src/Functional/OptionsWidgetsTest.php b/core/modules/options/tests/src/Functional/OptionsWidgetsTest.php
index 538b5c4a8ab1..1b3511fa723a 100644
--- a/core/modules/options/tests/src/Functional/OptionsWidgetsTest.php
+++ b/core/modules/options/tests/src/Functional/OptionsWidgetsTest.php
@@ -145,9 +145,9 @@ class OptionsWidgetsTest extends FieldTestBase {
 
     // With no field data, no buttons are checked.
     $this->drupalGet('entity_test/manage/' . $entity->id() . '/edit');
-    $this->assertNoFieldChecked('edit-card-1-0');
-    $this->assertNoFieldChecked('edit-card-1-1');
-    $this->assertNoFieldChecked('edit-card-1-2');
+    $this->assertSession()->checkboxNotChecked('edit-card-1-0');
+    $this->assertSession()->checkboxNotChecked('edit-card-1-1');
+    $this->assertSession()->checkboxNotChecked('edit-card-1-2');
     $this->assertRaw('Some dangerous &amp; unescaped <strong>markup</strong>', 'Option text was properly filtered.');
     $this->assertRaw('Some HTML encoded markup with &lt; &amp; &gt;');
 
@@ -158,9 +158,9 @@ class OptionsWidgetsTest extends FieldTestBase {
 
     // Check that the selected button is checked.
     $this->drupalGet('entity_test/manage/' . $entity->id() . '/edit');
-    $this->assertFieldChecked('edit-card-1-0');
-    $this->assertNoFieldChecked('edit-card-1-1');
-    $this->assertNoFieldChecked('edit-card-1-2');
+    $this->assertSession()->checkboxChecked('edit-card-1-0');
+    $this->assertSession()->checkboxNotChecked('edit-card-1-1');
+    $this->assertSession()->checkboxNotChecked('edit-card-1-2');
 
     // Unselect option.
     $edit = ['card_1' => '_none'];
@@ -173,7 +173,7 @@ class OptionsWidgetsTest extends FieldTestBase {
     $field->setRequired(TRUE);
     $field->save();
     $this->drupalGet('entity_test/manage/' . $entity->id() . '/edit');
-    $this->assertFieldChecked('edit-card-1-99');
+    $this->assertSession()->checkboxChecked('edit-card-1-99');
   }
 
   /**
@@ -203,9 +203,9 @@ class OptionsWidgetsTest extends FieldTestBase {
 
     // Display form: with no field data, nothing is checked.
     $this->drupalGet('entity_test/manage/' . $entity->id() . '/edit');
-    $this->assertNoFieldChecked('edit-card-2-0');
-    $this->assertNoFieldChecked('edit-card-2-1');
-    $this->assertNoFieldChecked('edit-card-2-2');
+    $this->assertSession()->checkboxNotChecked('edit-card-2-0');
+    $this->assertSession()->checkboxNotChecked('edit-card-2-1');
+    $this->assertSession()->checkboxNotChecked('edit-card-2-2');
     $this->assertRaw('Some dangerous &amp; unescaped <strong>markup</strong>', 'Option text was properly filtered.');
 
     // Submit form: select first and third options.
@@ -219,9 +219,9 @@ class OptionsWidgetsTest extends FieldTestBase {
 
     // Display form: check that the right options are selected.
     $this->drupalGet('entity_test/manage/' . $entity->id() . '/edit');
-    $this->assertFieldChecked('edit-card-2-0');
-    $this->assertNoFieldChecked('edit-card-2-1');
-    $this->assertFieldChecked('edit-card-2-2');
+    $this->assertSession()->checkboxChecked('edit-card-2-0');
+    $this->assertSession()->checkboxNotChecked('edit-card-2-1');
+    $this->assertSession()->checkboxChecked('edit-card-2-2');
 
     // Submit form: select only first option.
     $edit = [
@@ -234,9 +234,9 @@ class OptionsWidgetsTest extends FieldTestBase {
 
     // Display form: check that the right options are selected.
     $this->drupalGet('entity_test/manage/' . $entity->id() . '/edit');
-    $this->assertFieldChecked('edit-card-2-0');
-    $this->assertNoFieldChecked('edit-card-2-1');
-    $this->assertNoFieldChecked('edit-card-2-2');
+    $this->assertSession()->checkboxChecked('edit-card-2-0');
+    $this->assertSession()->checkboxNotChecked('edit-card-2-1');
+    $this->assertSession()->checkboxNotChecked('edit-card-2-2');
 
     // Submit form: select the three options while the field accepts only 2.
     $edit = [
@@ -263,7 +263,7 @@ class OptionsWidgetsTest extends FieldTestBase {
     $field->setRequired(TRUE);
     $field->save();
     $this->drupalGet('entity_test/manage/' . $entity->id() . '/edit');
-    $this->assertFieldChecked('edit-card-2-99');
+    $this->assertSession()->checkboxChecked('edit-card-2-99');
   }
 
   /**
diff --git a/core/modules/responsive_image/tests/src/Functional/ResponsiveImageAdminUITest.php b/core/modules/responsive_image/tests/src/Functional/ResponsiveImageAdminUITest.php
index 5a56b0c03b21..a85f0e406c2f 100644
--- a/core/modules/responsive_image/tests/src/Functional/ResponsiveImageAdminUITest.php
+++ b/core/modules/responsive_image/tests/src/Functional/ResponsiveImageAdminUITest.php
@@ -132,9 +132,9 @@ class ResponsiveImageAdminUITest extends BrowserTestBase {
     // Check the mapping for multipliers 1x and 2x for the narrow breakpoint.
     $this->assertFieldByName('keyed_styles[responsive_image_test_module.narrow][1x][image_mapping_type]', 'sizes');
     $this->assertFieldByName('keyed_styles[responsive_image_test_module.narrow][1x][sizes]', '(min-resolution: 192dpi) and (min-width: 170px) 386px, (min-width: 170px) 193px, (min-width: 768px) 18vw, (min-width: 480px) 30vw, 48vw');
-    $this->assertFieldChecked('edit-keyed-styles-responsive-image-test-modulenarrow-1x-sizes-image-styles-large');
-    $this->assertFieldChecked('edit-keyed-styles-responsive-image-test-modulenarrow-1x-sizes-image-styles-medium');
-    $this->assertNoFieldChecked('edit-keyed-styles-responsive-image-test-modulenarrow-1x-sizes-image-styles-thumbnail');
+    $this->assertSession()->checkboxChecked('edit-keyed-styles-responsive-image-test-modulenarrow-1x-sizes-image-styles-large');
+    $this->assertSession()->checkboxChecked('edit-keyed-styles-responsive-image-test-modulenarrow-1x-sizes-image-styles-medium');
+    $this->assertSession()->checkboxNotChecked('edit-keyed-styles-responsive-image-test-modulenarrow-1x-sizes-image-styles-thumbnail');
     $this->assertFieldByName('keyed_styles[responsive_image_test_module.narrow][2x][image_mapping_type]', '_none');
 
     // Check the mapping for multipliers 1x and 2x for the wide breakpoint.
diff --git a/core/modules/search/tests/src/Functional/SearchLanguageTest.php b/core/modules/search/tests/src/Functional/SearchLanguageTest.php
index 56e2a2d12858..b1677ef06b46 100644
--- a/core/modules/search/tests/src/Functional/SearchLanguageTest.php
+++ b/core/modules/search/tests/src/Functional/SearchLanguageTest.php
@@ -139,12 +139,12 @@ class SearchLanguageTest extends BrowserTestBase {
     // Change the default language and delete English.
     $path = 'admin/config/regional/language';
     $this->drupalGet($path);
-    $this->assertFieldChecked('edit-site-default-language-en', 'Default language updated.');
+    $this->assertSession()->checkboxChecked('edit-site-default-language-en');
     $edit = [
       'site_default_language' => 'fr',
     ];
     $this->drupalPostForm($path, $edit, t('Save configuration'));
-    $this->assertNoFieldChecked('edit-site-default-language-en', 'Default language updated.');
+    $this->assertSession()->checkboxNotChecked('edit-site-default-language-en');
     $this->drupalPostForm('admin/config/regional/language/delete/en', [], t('Delete'));
   }
 
diff --git a/core/modules/system/tests/src/Functional/Form/FormTest.php b/core/modules/system/tests/src/Functional/Form/FormTest.php
index 40aeb1d7f39b..505a7d0628f0 100644
--- a/core/modules/system/tests/src/Functional/Form/FormTest.php
+++ b/core/modules/system/tests/src/Functional/Form/FormTest.php
@@ -213,15 +213,15 @@ class FormTest extends BrowserTestBase {
 
     // Verify that input elements are still empty.
     $this->assertFieldByName('textfield', '');
-    $this->assertNoFieldChecked('edit-checkboxes-foo');
-    $this->assertNoFieldChecked('edit-checkboxes-bar');
+    $this->assertSession()->checkboxNotChecked('edit-checkboxes-foo');
+    $this->assertSession()->checkboxNotChecked('edit-checkboxes-bar');
     $this->assertTrue($this->assertSession()->optionExists('edit-select', '')->isSelected());
-    $this->assertNoFieldChecked('edit-radios-foo');
-    $this->assertNoFieldChecked('edit-radios-bar');
-    $this->assertNoFieldChecked('edit-radios-optional-foo');
-    $this->assertNoFieldChecked('edit-radios-optional-bar');
-    $this->assertNoFieldChecked('edit-radios-optional-default-value-false-foo');
-    $this->assertNoFieldChecked('edit-radios-optional-default-value-false-bar');
+    $this->assertSession()->checkboxNotChecked('edit-radios-foo');
+    $this->assertSession()->checkboxNotChecked('edit-radios-bar');
+    $this->assertSession()->checkboxNotChecked('edit-radios-optional-foo');
+    $this->assertSession()->checkboxNotChecked('edit-radios-optional-bar');
+    $this->assertSession()->checkboxNotChecked('edit-radios-optional-default-value-false-foo');
+    $this->assertSession()->checkboxNotChecked('edit-radios-optional-default-value-false-bar');
 
     // Submit again with required fields set and verify that there are no
     // error messages.
@@ -268,10 +268,10 @@ class FormTest extends BrowserTestBase {
     $this->assertText('The form has become outdated.');
     // Ensure that we don't use the posted values.
     $this->assertFieldByName('textfield', '');
-    $this->assertNoFieldChecked('edit-checkboxes-foo');
-    $this->assertNoFieldChecked('edit-checkboxes-bar');
+    $this->assertSession()->checkboxNotChecked('edit-checkboxes-foo');
+    $this->assertSession()->checkboxNotChecked('edit-checkboxes-bar');
     $this->assertTrue($this->assertSession()->optionExists('edit-select', '')->isSelected());
-    $this->assertNoFieldChecked('edit-radios-foo');
+    $this->assertSession()->checkboxNotChecked('edit-radios-foo');
 
     // Check another form that has a textarea input.
     $this->drupalGet(Url::fromRoute('form_test.required'));
diff --git a/core/modules/system/tests/src/Functional/UpdateSystem/UpdatePathTestBaseFilledTest.php b/core/modules/system/tests/src/Functional/UpdateSystem/UpdatePathTestBaseFilledTest.php
index f0ca2239caa3..83167fa33f23 100644
--- a/core/modules/system/tests/src/Functional/UpdateSystem/UpdatePathTestBaseFilledTest.php
+++ b/core/modules/system/tests/src/Functional/UpdateSystem/UpdatePathTestBaseFilledTest.php
@@ -109,7 +109,7 @@ class UpdatePathTestBaseFilledTest extends UpdatePathTestBaseTest {
     $this->drupalGet('node/8/edit');
     $this->assertText('Test title');
     $this->assertText('Test body');
-    $this->assertFieldChecked('edit-field-test-1-value');
+    $this->assertSession()->checkboxChecked('edit-field-test-1-value');
     $this->assertRaw('2015-08-16');
     $this->assertRaw('test@example.com');
     $this->assertRaw('drupal.org');
@@ -177,10 +177,10 @@ class UpdatePathTestBaseFilledTest extends UpdatePathTestBaseTest {
 
     // Make sure our custom visibility conditions are correct.
     $this->drupalGet('admin/structure/block/manage/testblock');
-    $this->assertNoFieldChecked('edit-visibility-language-langcodes-es');
-    $this->assertFieldChecked('edit-visibility-language-langcodes-en');
-    $this->assertNoFieldChecked('edit-visibility-node-type-bundles-book');
-    $this->assertFieldChecked('edit-visibility-node-type-bundles-test-content-type');
+    $this->assertSession()->checkboxNotChecked('edit-visibility-language-langcodes-es');
+    $this->assertSession()->checkboxChecked('edit-visibility-language-langcodes-en');
+    $this->assertSession()->checkboxNotChecked('edit-visibility-node-type-bundles-book');
+    $this->assertSession()->checkboxChecked('edit-visibility-node-type-bundles-test-content-type');
 
     // Make sure our block is still translated.
     $this->drupalGet('admin/structure/block/manage/testblock/translate/es/edit');
@@ -219,7 +219,7 @@ class UpdatePathTestBaseFilledTest extends UpdatePathTestBaseTest {
     $this->assertRaw('Menu test');
     // Make sure our custom menu link exists.
     $this->drupalGet('admin/structure/menu/item/1/edit');
-    $this->assertFieldChecked('edit-enabled-value');
+    $this->assertSession()->checkboxChecked('edit-enabled-value');
 
     // Make sure our comment type exists.
     $this->drupalGet('admin/structure/comment');
@@ -293,11 +293,11 @@ class UpdatePathTestBaseFilledTest extends UpdatePathTestBaseTest {
 
     // Make sure our language detection settings are still correct.
     $this->drupalGet('admin/config/regional/language/detection');
-    $this->assertFieldChecked('edit-language-interface-enabled-language-user-admin');
-    $this->assertFieldChecked('edit-language-interface-enabled-language-url');
-    $this->assertFieldChecked('edit-language-interface-enabled-language-session');
-    $this->assertFieldChecked('edit-language-interface-enabled-language-user');
-    $this->assertFieldChecked('edit-language-interface-enabled-language-browser');
+    $this->assertSession()->checkboxChecked('edit-language-interface-enabled-language-user-admin');
+    $this->assertSession()->checkboxChecked('edit-language-interface-enabled-language-url');
+    $this->assertSession()->checkboxChecked('edit-language-interface-enabled-language-session');
+    $this->assertSession()->checkboxChecked('edit-language-interface-enabled-language-user');
+    $this->assertSession()->checkboxChecked('edit-language-interface-enabled-language-browser');
 
     // Make sure strings are still translated.
     $this->drupalGet('admin/structure/views/view/content/translate/es/edit');
diff --git a/core/modules/taxonomy/tests/src/Functional/VocabularyLanguageTest.php b/core/modules/taxonomy/tests/src/Functional/VocabularyLanguageTest.php
index 602407a3b0e1..ac559eca7502 100644
--- a/core/modules/taxonomy/tests/src/Functional/VocabularyLanguageTest.php
+++ b/core/modules/taxonomy/tests/src/Functional/VocabularyLanguageTest.php
@@ -94,7 +94,7 @@ class VocabularyLanguageTest extends TaxonomyTestBase {
 
     // Check that the correct options are selected in the interface.
     $this->assertTrue($this->assertSession()->optionExists('edit-default-language-langcode', 'bb')->isSelected());
-    $this->assertFieldChecked('edit-default-language-language-alterable', 'Show language selection option is checked.');
+    $this->assertSession()->checkboxChecked('edit-default-language-language-alterable');
 
     // Edit the vocabulary and check that the new settings are updated.
     $edit = [
@@ -110,7 +110,7 @@ class VocabularyLanguageTest extends TaxonomyTestBase {
 
     $this->drupalGet('admin/structure/taxonomy/manage/' . $vid);
     $this->assertTrue($this->assertSession()->optionExists('edit-default-language-langcode', 'aa')->isSelected());
-    $this->assertNoFieldChecked('edit-default-language-language-alterable', 'Show language selection option is not checked.');
+    $this->assertSession()->checkboxNotChecked('edit-default-language-language-alterable');
 
     // Check that language settings are changed after editing vocabulary.
     $edit = [
diff --git a/core/modules/taxonomy/tests/src/Functional/VocabularyTranslationTest.php b/core/modules/taxonomy/tests/src/Functional/VocabularyTranslationTest.php
index d9990edd41ce..062e1f827743 100644
--- a/core/modules/taxonomy/tests/src/Functional/VocabularyTranslationTest.php
+++ b/core/modules/taxonomy/tests/src/Functional/VocabularyTranslationTest.php
@@ -52,7 +52,7 @@ class VocabularyTranslationTest extends TaxonomyTestBase {
 
     // Check if content translation is enabled on the edit page.
     $this->drupalGet('admin/structure/taxonomy/manage/' . $vid);
-    $this->assertFieldChecked('edit-default-language-content-translation', 'The content translation was correctly selected.');
+    $this->assertSession()->checkboxChecked('edit-default-language-content-translation');
   }
 
 }
diff --git a/core/modules/user/tests/src/Functional/UserAccountLinksTest.php b/core/modules/user/tests/src/Functional/UserAccountLinksTest.php
index d9b44bfc747a..595e6cf270c9 100644
--- a/core/modules/user/tests/src/Functional/UserAccountLinksTest.php
+++ b/core/modules/user/tests/src/Functional/UserAccountLinksTest.php
@@ -97,7 +97,7 @@ class UserAccountLinksTest extends BrowserTestBase {
     // the consistent label text.
     $this->drupalGet('admin/structure/menu/manage/account');
     $label = $this->xpath('//label[contains(.,:text)]/@for', [':text' => 'Enable My account menu link']);
-    $this->assertFieldChecked($label[0]->getText(), "The 'My account' link is enabled by default.");
+    $this->assertSession()->checkboxChecked($label[0]->getText());
 
     // Disable the 'My account' link.
     $edit['links[menu_plugin_id:user.page][enabled]'] = FALSE;
diff --git a/core/modules/user/tests/src/Functional/UserEditTest.php b/core/modules/user/tests/src/Functional/UserEditTest.php
index 6a71927a96cc..60c770123ac1 100644
--- a/core/modules/user/tests/src/Functional/UserEditTest.php
+++ b/core/modules/user/tests/src/Functional/UserEditTest.php
@@ -106,20 +106,20 @@ class UserEditTest extends BrowserTestBase {
     $this->drupalLogin($admin_user);
 
     $this->drupalGet('user/' . $user1->id() . '/edit');
-    $this->assertNoFieldChecked('edit-status-0');
-    $this->assertFieldChecked('edit-status-1');
+    $this->assertSession()->checkboxNotChecked('edit-status-0');
+    $this->assertSession()->checkboxChecked('edit-status-1');
 
     $edit = ['status' => 0];
     $this->drupalPostForm('user/' . $user1->id() . '/edit', $edit, t('Save'));
     $this->assertText(t('The changes have been saved.'));
-    $this->assertFieldChecked('edit-status-0');
-    $this->assertNoFieldChecked('edit-status-1');
+    $this->assertSession()->checkboxChecked('edit-status-0');
+    $this->assertSession()->checkboxNotChecked('edit-status-1');
 
     $edit = ['status' => 1];
     $this->drupalPostForm('user/' . $user1->id() . '/edit', $edit, t('Save'));
     $this->assertText(t('The changes have been saved.'));
-    $this->assertNoFieldChecked('edit-status-0');
-    $this->assertFieldChecked('edit-status-1');
+    $this->assertSession()->checkboxNotChecked('edit-status-0');
+    $this->assertSession()->checkboxChecked('edit-status-1');
   }
 
   /**
diff --git a/core/modules/user/tests/src/Functional/UserRolesAssignmentTest.php b/core/modules/user/tests/src/Functional/UserRolesAssignmentTest.php
index 0f3e358ee8c5..285169d0d88f 100644
--- a/core/modules/user/tests/src/Functional/UserRolesAssignmentTest.php
+++ b/core/modules/user/tests/src/Functional/UserRolesAssignmentTest.php
@@ -36,13 +36,13 @@ class UserRolesAssignmentTest extends BrowserTestBase {
     // Assign the role to the user.
     $this->drupalPostForm('user/' . $account->id() . '/edit', ["roles[$rid]" => $rid], t('Save'));
     $this->assertText(t('The changes have been saved.'));
-    $this->assertFieldChecked('edit-roles-' . $rid, 'Role is assigned.');
+    $this->assertSession()->checkboxChecked('edit-roles-' . $rid);
     $this->userLoadAndCheckRoleAssigned($account, $rid);
 
     // Remove the role from the user.
     $this->drupalPostForm('user/' . $account->id() . '/edit', ["roles[$rid]" => FALSE], t('Save'));
     $this->assertText(t('The changes have been saved.'));
-    $this->assertNoFieldChecked('edit-roles-' . $rid, 'Role is removed from user.');
+    $this->assertSession()->checkboxNotChecked('edit-roles-' . $rid);
     $this->userLoadAndCheckRoleAssigned($account, $rid, FALSE);
   }
 
@@ -66,13 +66,13 @@ class UserRolesAssignmentTest extends BrowserTestBase {
     $account = user_load_by_name($edit['name']);
 
     $this->drupalGet('user/' . $account->id() . '/edit');
-    $this->assertFieldChecked('edit-roles-' . $rid, 'Role is assigned.');
+    $this->assertSession()->checkboxChecked('edit-roles-' . $rid);
     $this->userLoadAndCheckRoleAssigned($account, $rid);
 
     // Remove the role again.
     $this->drupalPostForm('user/' . $account->id() . '/edit', ["roles[$rid]" => FALSE], t('Save'));
     $this->assertText(t('The changes have been saved.'));
-    $this->assertNoFieldChecked('edit-roles-' . $rid, 'Role is removed from user.');
+    $this->assertSession()->checkboxNotChecked('edit-roles-' . $rid);
     $this->userLoadAndCheckRoleAssigned($account, $rid, FALSE);
   }
 
diff --git a/core/modules/views/tests/src/Functional/Handler/HandlerTest.php b/core/modules/views/tests/src/Functional/Handler/HandlerTest.php
index d9b2faf834b4..5911b1548eb7 100644
--- a/core/modules/views/tests/src/Functional/Handler/HandlerTest.php
+++ b/core/modules/views/tests/src/Functional/Handler/HandlerTest.php
@@ -292,7 +292,7 @@ class HandlerTest extends ViewTestBase {
     // Check content type filter options.
     $this->drupalGet('admin/structure/views/nojs/handler/test_get_entity_type/default/filter/type');
     $this->assertTrue($this->assertSession()->optionExists('edit-options-relationship', 'node')->isSelected());
-    $this->assertFieldChecked('edit-options-value-page');
+    $this->assertSession()->checkboxChecked('edit-options-value-page');
   }
 
   /**
diff --git a/core/modules/views_ui/tests/src/Functional/DisplayAttachmentTest.php b/core/modules/views_ui/tests/src/Functional/DisplayAttachmentTest.php
index bcbf4b709bb3..7bd137dd530a 100644
--- a/core/modules/views_ui/tests/src/Functional/DisplayAttachmentTest.php
+++ b/core/modules/views_ui/tests/src/Functional/DisplayAttachmentTest.php
@@ -2,7 +2,6 @@
 
 namespace Drupal\Tests\views_ui\Functional;
 
-use Drupal\Component\Render\FormattableMarkup;
 use Drupal\views\Views;
 
 /**
@@ -38,9 +37,8 @@ class DisplayAttachmentTest extends UITestBase {
     // Display labels should be escaped.
     $this->assertEscaped('<em>Page</em>');
 
-    foreach (['default', 'page-1'] as $display_id) {
-      $this->assertNoFieldChecked("edit-displays-$display_id", new FormattableMarkup('Make sure the @display_id can be marked as attached', ['@display_id' => $display_id]));
-    }
+    $this->assertSession()->checkboxNotChecked("edit-displays-default");
+    $this->assertSession()->checkboxNotChecked("edit-displays-page-1");
 
     // Save the attachments and test the value on the view.
     $this->drupalPostForm($attachment_display_url, ['displays[page_1]' => 1], t('Apply'));
diff --git a/core/modules/views_ui/tests/src/Functional/DisplayTest.php b/core/modules/views_ui/tests/src/Functional/DisplayTest.php
index 85d2efd91bf8..d22e76a8556b 100644
--- a/core/modules/views_ui/tests/src/Functional/DisplayTest.php
+++ b/core/modules/views_ui/tests/src/Functional/DisplayTest.php
@@ -159,7 +159,7 @@ class DisplayTest extends UITestBase {
     $this->assertEqual($result[0]->getHtml(), t('None'), 'Make sure that the link option summary shows "None" by default.');
 
     $this->drupalGet($link_display_path);
-    $this->assertFieldChecked('edit-link-display-0');
+    $this->assertSession()->checkboxChecked('edit-link-display-0');
 
     // Test the default radio option on the link display form.
     $this->drupalPostForm($link_display_path, ['link_display' => 'page_1'], t('Apply'));
diff --git a/core/modules/views_ui/tests/src/Functional/ExposedFormUITest.php b/core/modules/views_ui/tests/src/Functional/ExposedFormUITest.php
index 28eef978645c..dbda21b3bded 100644
--- a/core/modules/views_ui/tests/src/Functional/ExposedFormUITest.php
+++ b/core/modules/views_ui/tests/src/Functional/ExposedFormUITest.php
@@ -324,9 +324,9 @@ class ExposedFormUITest extends UITestBase {
 
     $this->drupalGet('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/status');
     // Assert the same settings defined before still are there.
-    $this->assertFieldChecked('edit-options-group-info-group-items-1-value-all');
-    $this->assertFieldChecked('edit-options-group-info-group-items-2-value-1');
-    $this->assertFieldChecked('edit-options-group-info-group-items-3-value-0');
+    $this->assertSession()->checkboxChecked('edit-options-group-info-group-items-1-value-all');
+    $this->assertSession()->checkboxChecked('edit-options-group-info-group-items-2-value-1');
+    $this->assertSession()->checkboxChecked('edit-options-group-info-group-items-3-value-0');
   }
 
 }
diff --git a/core/modules/views_ui/tests/src/Functional/SettingsTest.php b/core/modules/views_ui/tests/src/Functional/SettingsTest.php
index 1e43f55813b3..be6e218f03b6 100644
--- a/core/modules/views_ui/tests/src/Functional/SettingsTest.php
+++ b/core/modules/views_ui/tests/src/Functional/SettingsTest.php
@@ -138,8 +138,8 @@ class SettingsTest extends UITestBase {
     ];
     $this->drupalPostForm('admin/structure/views/settings/advanced', $edit, t('Save configuration'));
 
-    $this->assertFieldChecked('edit-skip-cache', 'The skip_cache option is checked.');
-    $this->assertFieldChecked('edit-sql-signature', 'The sql_signature option is checked.');
+    $this->assertSession()->checkboxChecked('edit-skip-cache');
+    $this->assertSession()->checkboxChecked('edit-sql-signature');
 
     // Test the "Clear Views' cache" button.
     $this->drupalPostForm('admin/structure/views/settings/advanced', [], t("Clear Views' cache"));
diff --git a/core/tests/Drupal/FunctionalTests/BrowserTestBaseTest.php b/core/tests/Drupal/FunctionalTests/BrowserTestBaseTest.php
index f91bdfaecc96..c112af007561 100644
--- a/core/tests/Drupal/FunctionalTests/BrowserTestBaseTest.php
+++ b/core/tests/Drupal/FunctionalTests/BrowserTestBaseTest.php
@@ -590,6 +590,19 @@ class BrowserTestBaseTest extends BrowserTestBase {
     }
   }
 
+  /**
+   * Tests legacy assertFieldChecked() and assertNoFieldChecked().
+   *
+   * @group legacy
+   * @expectedDeprecation AssertLegacyTrait::assertFieldChecked() is deprecated in drupal:8.2.0 and is removed from drupal:10.0.0. Use $this->assertSession()->checkboxChecked() instead. See https://www.drupal.org/node/3129738
+   * @expectedDeprecation AssertLegacyTrait::assertNoFieldChecked() is deprecated in drupal:8.2.0 and is removed from drupal:10.0.0. Use $this->assertSession()->checkboxNotChecked() instead. See https://www.drupal.org/node/3129738
+   */
+  public function testLegacyFieldAssertsForCheckbox() {
+    $this->drupalGet('test-field-xpath');
+    $this->assertFieldChecked('edit-checkbox-enabled');
+    $this->assertNoFieldChecked('edit-checkbox-disabled');
+  }
+
   /**
    * Tests legacy field asserts for checkbox field type.
    */
@@ -657,12 +670,12 @@ class BrowserTestBaseTest extends BrowserTestBase {
     }
 
     // Part 3 - Test the specific 'checked' assertions.
-    $this->assertFieldChecked('edit-checkbox-enabled');
-    $this->assertNoFieldChecked('edit-checkbox-disabled');
+    $this->assertSession()->checkboxChecked('edit-checkbox-enabled');
+    $this->assertSession()->checkboxNotChecked('edit-checkbox-disabled');
 
     // Test that the assertion fails correctly with non-existent field id.
     try {
-      $this->assertNoFieldChecked('incorrect_checkbox_id');
+      $this->assertSession()->checkboxNotChecked('incorrect_checkbox_id');
       $this->fail('The "incorrect_checkbox_id" field was found');
     }
     catch (ExpectationException $e) {
@@ -671,7 +684,7 @@ class BrowserTestBaseTest extends BrowserTestBase {
 
     // Test that the assertion fails correctly for a checkbox that is checked.
     try {
-      $this->assertNoFieldChecked('edit-checkbox-enabled');
+      $this->assertSession()->checkboxNotChecked('edit-checkbox-enabled');
       $this->fail('The "edit-checkbox-enabled" field was not found in a checked state.');
     }
     catch (ExpectationException $e) {
@@ -681,7 +694,7 @@ class BrowserTestBaseTest extends BrowserTestBase {
     // Test that the assertion fails correctly for a checkbox that is not
     // checked.
     try {
-      $this->assertFieldChecked('edit-checkbox-disabled');
+      $this->assertSession()->checkboxChecked('edit-checkbox-disabled');
       $this->fail('The "edit-checkbox-disabled" field was found and checked.');
     }
     catch (ExpectationException $e) {
diff --git a/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php b/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
index 88728ea1f5d5..d1ad7a1d1271 100644
--- a/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
+++ b/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
@@ -185,8 +185,6 @@ trait DeprecationListenerTrait {
       'AssertLegacyTrait::assertNoLinkByHref() is deprecated in drupal:8.2.0 and is removed from drupal:10.0.0. Use $this->assertSession()->linkByHrefNotExists() instead. See https://www.drupal.org/node/3129738',
       'AssertLegacyTrait::assertNoFieldById() is deprecated in drupal:8.2.0 and is removed from drupal:10.0.0. Use $this->assertSession()->fieldNotExists() or $this->assertSession()->buttonNotExists() or $this->assertSession()->fieldValueNotEquals() instead. See https://www.drupal.org/node/3129738',
       'AssertLegacyTrait::assertUrl() is deprecated in drupal:8.2.0 and is removed from drupal:10.0.0. Use $this->assertSession()->addressEquals() instead. See https://www.drupal.org/node/3129738',
-      'AssertLegacyTrait::assertFieldChecked() is deprecated in drupal:8.2.0 and is removed from drupal:10.0.0. Use $this->assertSession()->checkboxChecked() instead. See https://www.drupal.org/node/3129738',
-      'AssertLegacyTrait::assertNoFieldChecked() is deprecated in drupal:8.2.0 and is removed from drupal:10.0.0. Use $this->assertSession()->checkboxNotChecked() instead. See https://www.drupal.org/node/3129738',
       'AssertLegacyTrait::assertFieldByXPath() is deprecated in drupal:8.3.0 and is removed from drupal:10.0.0. Use $this->xpath() instead and check the values directly in the test. See https://www.drupal.org/node/3129738',
       'AssertLegacyTrait::assertNoFieldByXPath() is deprecated in drupal:8.3.0 and is removed from drupal:10.0.0. Use $this->xpath() instead and assert that the result is empty. See https://www.drupal.org/node/3129738',
       'AssertLegacyTrait::assertFieldsByValue() is deprecated in drupal:8.3.0 and is removed from drupal:10.0.0. Use iteration over the fields yourself instead and directly check the values in the test. See https://www.drupal.org/node/3129738',