Issue #3131402 by longwave, jungle, Berdir: Remove return type hints from abstract test classes

core/modules/locale/tests/src/Functional/LocaleUpdateBase.php

@@ -52,7 +52,7 @@ abstract class LocaleUpdateBase extends BrowserTestBase {
   /**
    * {@inheritdoc}
    */
-  protected function setUp(): void {
+  protected function setUp() {
     parent::setUp();
 
     // Setup timestamps to identify old and new translation sources.

core/modules/media/tests/src/Functional/MediaFunctionalTestTrait.php

@@ -56,7 +56,7 @@ trait MediaFunctionalTestTrait {
   /**
    * {@inheritdoc}
    */
-  protected function setUp(): void {
+  protected function setUp() {
     parent::setUp();
 
     // Have two users ready to be used in tests.

core/modules/media/tests/src/FunctionalJavascript/MediaSourceTestBase.php

@@ -14,7 +14,7 @@ abstract class MediaSourceTestBase extends MediaJavascriptTestBase {
   /**
    * {@inheritdoc}
    */
-  protected function setUp(): void {
+  protected function setUp() {
     parent::setUp();
 
     // Let's set the canonical flag in the base class of the source tests,

core/modules/migrate/tests/src/Unit/process/MigrateProcessTestCase.php

@@ -24,7 +24,7 @@ abstract class MigrateProcessTestCase extends MigrateTestCase {
   /**
    * {@inheritdoc}
    */
-  protected function setUp(): void {
+  protected function setUp() {
     $this->row = $this->getMockBuilder('Drupal\migrate\Row')
       ->disableOriginalConstructor()
       ->getMock();

core/modules/migrate/tests/src/Unit/process/MigrationLookupTestCase.php

@@ -28,7 +28,7 @@ abstract class MigrationLookupTestCase extends MigrateProcessTestCase {
   /**
    * {@inheritdoc}
    */
-  protected function setUp(): void {
+  protected function setUp() {
     parent::setUp();
     $this->migrateStub = $this->prophesize(MigrateStub::class);
     $this->migrateLookup = $this->prophesize(MigrateLookupInterface::class);

core/modules/tour/tests/src/Functional/TourTestBasic.php

@@ -39,7 +39,7 @@ abstract class TourTestBasic extends TourTestBase {
    */
   protected $permissions = ['access tour'];
 
-  protected function setUp(): void {
+  protected function setUp() {
     parent::setUp();
 
     // Make sure we are using distinct default and administrative themes for

core/tests/Drupal/Tests/Component/PhpStorage/MTimeProtectedFileStorageBase.php

@@ -37,7 +37,7 @@ abstract class MTimeProtectedFileStorageBase extends PhpStorageTestBase {
   /**
    * {@inheritdoc}
    */
-  protected function setUp(): void {
+  protected function setUp() {
     parent::setUp();
 
     // Random generator.