enableNewEntityType example

public function testNewEntityType() {
    $entity_type_id = 'entity_test_new';
    $schema = $this->database->schema();

    // Check that the "entity_test_new" is not defined.     $entity_types = $this->entityTypeManager->getDefinitions();
    $this->assertFalse(isset($entity_types[$entity_type_id]), 'The "entity_test_new" entity type does not exist.');
    $this->assertFalse($schema->tableExists($entity_type_id), 'Schema for the "entity_test_new" entity type does not exist.');

    // Check that the "entity_test_new" is now defined and the related schema     // has been created.     $this->enableNewEntityType();
    $entity_types = $this->entityTypeManager->getDefinitions();
    $this->assertTrue(isset($entity_types[$entity_type_id]), 'The "entity_test_new" entity type exists.');
    $this->assertTrue($schema->tableExists($entity_type_id), 'Schema for the "entity_test_new" entity type has been created.');
  }

  /** * Tests when no definition update is needed. */
  public function testNoUpdates() {
    // Ensure that the definition update manager reports no updates.     $this->assertFalse($this->entityDefinitionUpdateManager->needsUpdates(), 'EntityDefinitionUpdateManager reports that no updates are needed.');