Наследование: implements Scheb\TwoFactorBundle\Security\TwoFactor\AuthenticationHandlerInterface
 /**
  * @test
  */
 public function requestAuthenticationCode_requestAuthenticationCode_returnResponse()
 {
     $token = $this->getToken();
     $context = $this->getAuthenticationContext($token, true);
     //Stub the SessionFlagManager
     $this->stubIsNotAuthenticated(true);
     //Stub the provider
     $this->provider->expects($this->any())->method('requestAuthenticationCode')->willReturn(new Response('<form></form>'));
     $returnValue = $this->registry->requestAuthenticationCode($context);
     $this->assertInstanceOf('Symfony\\Component\\HttpFoundation\\Response', $returnValue);
     $this->assertEquals('<form></form>', $returnValue->getContent());
 }