Move deprecated class to test module and fix testing.

src/Source/EntityJsonLdSourceBase.php → tests/module/json_ld_schema_test_sources/src/EntityJsonLdSourceBase.php

 <?php
 
-namespace Drupal\json_ld_schema\Source;
+namespace Drupal\json_ld_schema_test_sources;
 
 use Drupal\Core\Cache\CacheableMetadata;
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
 use Drupal\Core\Routing\RouteMatchInterface;
+use Drupal\json_ld_schema\Source\JsonLdSourceBase;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
  * Base class for JSON LD sources that should appear on entity pages.
  *
  * @deprecated
- *   Use the JsonLdEntity plugin type instead of this base class.
+ *   Use the JsonLdEntity plugin type instead of this base class. This used to
+ *   be a thing until JsonLdEntity, but now it only exists as a good test case
+ *   for the render cache integration of JsonLdSource.
  */
 abstract class EntityJsonLdSourceBase extends JsonLdSourceBase implements ContainerFactoryPluginInterface {
 

tests/module/json_ld_schema_test_sources/src/Plugin/JsonLdSource/NodeTestSource.php

@@ -2,7 +2,7 @@
 
 namespace Drupal\json_ld_schema_test_sources\Plugin\JsonLdSource;
 
-use Drupal\json_ld_schema\Source\EntityJsonLdSourceBase;
+use Drupal\json_ld_schema_test_sources\EntityJsonLdSourceBase;
 use Spatie\SchemaOrg\Schema;
 use Spatie\SchemaOrg\Type;
 

tests/src/Functional/JsonLdEntityTest.php

@@ -2,7 +2,6 @@
 
 namespace Drupal\Tests\json_ld_schema\Functional;
 
-use Drupal\local_testing\LocalTestingTrait;
 use Drupal\node\Entity\Node;
 use Drupal\node\Entity\NodeType;
 use Drupal\Tests\BrowserTestBase;
@@ -14,8 +13,6 @@ use Drupal\Tests\BrowserTestBase;
  */
 class JsonLdEntityTest extends BrowserTestBase {
 
-  use LocalTestingTrait;
-
   /**
    * {@inheritdoc}
    */