EntityHydrator example

class EntityHydratorTest extends TestCase
{
    private EntityHydrator $hydrator;

    private StaticDefinitionInstanceRegistry $definitionInstanceRegistry;

    protected function setUp(): void
    {
        $container = new ContainerBuilder();
        $this->hydrator = new EntityHydrator($container);
        $container->set(EntityHydrator::class, $this->hydrator);

        $this->definitionInstanceRegistry = new StaticDefinitionInstanceRegistry(
            [
                FkExtensionFieldTest::class,
                CustomFieldPlainTestDefinition::class,
                CustomFieldTestDefinition::class,
                CustomFieldTestTranslationDefinition::class,
                SingleEntityDependencyTestRootDefinition::class,
                SingleEntityDependencyTestSubDefinition::class,
                SingleEntityDependencyTestDependencyDefinition::class,