Issue #3123065 by jungle, daffie: Fix 'Drupal.NamingConventions.ValidClassName' coding standard

(cherry picked from commit 2c02bb9a)

core/modules/field/tests/src/Functional/reEnableModuleFieldTest.php → core/modules/field/tests/src/Functional/ReEnableModuleFieldTest.php

@@ -12,7 +12,7 @@
  *
  * @group field
  */
-class reEnableModuleFieldTest extends BrowserTestBase {
+class ReEnableModuleFieldTest extends BrowserTestBase {
 
   use CronRunTrait;
 

core/phpcs.xml.dist

@@ -158,6 +158,7 @@
       <property name="checkClosures" value="true"/>
     </properties>
   </rule>
+  <rule ref="Drupal.NamingConventions.ValidClassName"/>
   <rule ref="Generic.NamingConventions.ConstructorName"/>
   <rule ref="Generic.NamingConventions.UpperCaseConstantName"/>
   <rule ref="Generic.PHP.DeprecatedFunctions"/>

core/tests/Drupal/Tests/Core/DependencyInjection/ContainerBuilderTest.php

@@ -131,7 +131,7 @@ public function testSerialize() {
    * @preserveGlobalState disabled
    */
   public function testConstructor() {
-    class_alias(testInterface::class, 'Symfony\Component\Config\Resource\ResourceInterface');
+    class_alias(TestInterface::class, 'Symfony\Component\Config\Resource\ResourceInterface');
     $container = new ContainerBuilder();
     $this->assertFalse($container->isTrackingResources());
   }
@@ -143,5 +143,5 @@ class_alias(testInterface::class, 'Symfony\Component\Config\Resource\ResourceInt
  *
  * @see \Drupal\Tests\Core\DependencyInjection\ContainerBuilderTest::testConstructor()
  */
-interface testInterface {
+interface TestInterface {
 }

core/tests/Drupal/Tests/Core/DrupalKernel/DrupalKernelTest.php

@@ -141,7 +141,7 @@ public function testFindSitePath() {
   /**
    * A fake autoloader for testing
    */
-  class fakeAutoloader {
+  class FakeAutoloader {
 
     /**
      * Registers this instance as an autoloader.