diff --git a/core/tests/Drupal/FunctionalTests/Update/UpdatePathTestBase.php b/core/tests/Drupal/FunctionalTests/Update/UpdatePathTestBase.php
index 85a45de1ec5..fc347e31f35 100644
--- a/core/tests/Drupal/FunctionalTests/Update/UpdatePathTestBase.php
+++ b/core/tests/Drupal/FunctionalTests/Update/UpdatePathTestBase.php
@@ -2,14 +2,9 @@
 
 namespace Drupal\FunctionalTests\Update;
 
-use Behat\Mink\Driver\GoutteDriver;
-use Behat\Mink\Mink;
-use Behat\Mink\Selector\SelectorsHandler;
-use Behat\Mink\Session;
 use Drupal\Component\Utility\Crypt;
 use Drupal\Core\Test\TestRunnerKernel;
 use Drupal\Tests\BrowserTestBase;
-use Drupal\Tests\HiddenFieldSelector;
 use Drupal\Tests\SchemaCheckTestTrait;
 use Drupal\Core\Database\Database;
 use Drupal\Core\DependencyInjection\ContainerBuilder;
@@ -197,14 +192,7 @@ abstract class UpdatePathTestBase extends BrowserTestBase {
     require_once $this->root . '/core/includes/update.inc';
 
     // Setup Mink.
-    $session = $this->initMink();
-
-    $cookies = $this->extractCookiesFromRequest(\Drupal::request());
-    foreach ($cookies as $cookie_name => $values) {
-      foreach ($values as $value) {
-        $session->setCookie($cookie_name, $value);
-      }
-    }
+    $this->initMink();
 
     // Set up the browser test output file.
     $this->initBrowserOutputFile();
@@ -244,37 +232,8 @@ abstract class UpdatePathTestBase extends BrowserTestBase {
   /**
    * {@inheritdoc}
    */
-  protected function initMink() {
-    $driver = $this->getDefaultDriverInstance();
-
-    if ($driver instanceof GoutteDriver) {
-      // Turn off curl timeout. Having a timeout is not a problem in a normal
-      // test running, but it is a problem when debugging. Also, disable SSL
-      // peer verification so that testing under HTTPS always works.
-      /** @var \GuzzleHttp\Client $client */
-      $client = $this->container->get('http_client_factory')->fromOptions([
-        'timeout' => NULL,
-        'verify' => FALSE,
-      ]);
-
-      // Inject a Guzzle middleware to generate debug output for every request
-      // performed in the test.
-      $handler_stack = $client->getConfig('handler');
-      $handler_stack->push($this->getResponseLogHandler());
-
-      $driver->getClient()->setClient($client);
-    }
-
-    $selectors_handler = new SelectorsHandler([
-      'hidden_field_selector' => new HiddenFieldSelector(),
-    ]);
-    $session = new Session($driver, $selectors_handler);
-    $this->mink = new Mink();
-    $this->mink->registerSession('default', $session);
-    $this->mink->setDefaultSessionName('default');
-    $this->registerSessions();
-
-    return $session;
+  protected function initFrontPage() {
+    // Do nothing as Drupal is not installed yet.
   }
 
   /**
diff --git a/core/tests/Drupal/Tests/BrowserTestBase.php b/core/tests/Drupal/Tests/BrowserTestBase.php
index a60758f0b59..6443b5a3849 100644
--- a/core/tests/Drupal/Tests/BrowserTestBase.php
+++ b/core/tests/Drupal/Tests/BrowserTestBase.php
@@ -238,6 +238,12 @@ abstract class BrowserTestBase extends TestCase {
       'hidden_field_selector' => new HiddenFieldSelector(),
     ]);
     $session = new Session($driver, $selectors_handler);
+    $cookies = $this->extractCookiesFromRequest(\Drupal::request());
+    foreach ($cookies as $cookie_name => $values) {
+      foreach ($values as $value) {
+        $session->setCookie($cookie_name, $value);
+      }
+    }
     $this->mink = new Mink();
     $this->mink->registerSession('default', $session);
     $this->mink->setDefaultSessionName('default');
@@ -388,14 +394,7 @@ abstract class BrowserTestBase extends TestCase {
     $this->installDrupal();
 
     // Setup Mink.
-    $session = $this->initMink();
-
-    $cookies = $this->extractCookiesFromRequest(\Drupal::request());
-    foreach ($cookies as $cookie_name => $values) {
-      foreach ($values as $value) {
-        $session->setCookie($cookie_name, $value);
-      }
-    }
+    $this->initMink();
 
     // Set up the browser test output file.
     $this->initBrowserOutputFile();