test(kernel): Update $modules property to protected in test classes for D9 standard (drupal-graphql#1173)

Author: gaards

tests/src/Kernel/DataProducer/Entity/Fields/Image/ImageDerivativeTest.php

@@ -18,7 +18,7 @@ class ImageDerivativeTest extends GraphQLTestBase {
   /**
    * {@inheritdoc}
    */
-  public static $modules = ['image', 'file'];
+  protected static $modules = ['image', 'file'];
 
   /**
    * {@inheritdoc}

tests/src/Kernel/DataProducer/EntityDefinitionTest.php

@@ -20,7 +20,7 @@ class EntityDefinitionTest extends GraphQLTestBase {
   /**
    * {@inheritdoc}
    */
-  public static $modules = [
+  protected static $modules = [
     'text',
   ];
 

tests/src/Kernel/Framework/PersistedQueriesTest.php

@@ -12,9 +12,9 @@
 class PersistedQueriesTest extends GraphQLTestBase {
 
   /**
-   * @var string[]
+   * {@inheritdoc}
    */
-  public static $modules = [
+  protected static $modules = [
     'graphql_persisted_queries_test',
   ];
 

tests/src/Kernel/Framework/UploadFileServiceTest.php

@@ -18,7 +18,7 @@ class UploadFileServiceTest extends GraphQLTestBase {
   /**
    * {@inheritdoc}
    */
-  public static $modules = ['file'];
+  protected static $modules = ['file'];
 
   /**
    * The FileUpload object we want to test, gets prepared in setUp().

tests/src/Kernel/GraphQLTestBase.php

@@ -29,7 +29,7 @@ abstract class GraphQLTestBase extends KernelTestBase {
   /**
    * {@inheritdoc}
    */
-  public static $modules = [
+  protected static $modules = [
     'system',
     'user',
     'language',

tests/src/Kernel/ResolverBuilderTest.php

@@ -17,7 +17,7 @@ class ResolverBuilderTest extends GraphQLTestBase {
   /**
    * {@inheritdoc}
    */
-  public static $modules = ['graphql_resolver_builder_test'];
+  protected static $modules = ['graphql_resolver_builder_test'];
 
   /**
    * {@inheritdoc}