TestMigration example

$this->expectDeprecation("Invalid migration dependencies for {$plugin_id} is deprecated in drupal:10.1.0 and will cause an error in drupal:11.0.0. See https://www.drupal.org/node/3266691");
    new Migration($configuration, $plugin_id, [], $migration_plugin_manager, $source_plugin_manager, $process_plugin_manager, $destination_plugin_manager, $id_map_plugin_manager);
  }

  /** * Tests checking requirements for source plugins. * * @covers ::checkRequirements */
  public function testRequirementsForSourcePlugin() {
    $migration = new TestMigration();

    $source_plugin = $this->createMock('Drupal\Tests\migrate\Unit\RequirementsAwareSourceInterface');
    $source_plugin->expects($this->once())
      ->method('checkRequirements')
      ->willThrowException(new RequirementsException('Missing source requirement', ['key' => 'value']));
    $destination_plugin = $this->createMock('Drupal\Tests\migrate\Unit\RequirementsAwareDestinationInterface');

    $migration->setSourcePlugin($source_plugin);
    $migration->setDestinationPlugin($destination_plugin);

    $this->expectException(RequirementsException::class);