$this->assertInstanceOf('Symfony\Component\HttpFoundation\Request', $new_request);
$this->assertSame($new_request, \Drupal::request());
$this->assertSame($request, $new_request);
$this->assertInstanceOf('Symfony\Component\HttpFoundation\Request', $new_request);
$this->assertSame($new_request, \Drupal::request());
$this->assertSame($request, $new_request);