Наследование: extends UsernamePassword, implements SessionlessTokenInterface
 /**
  * @test
  */
 public function updateCredentialsSetsTheCorrectAuthenticationStatusIfNoCredentialsArrived()
 {
     $httpRequest = Request::create(new Uri('http://foo.com'));
     $mockActionRequest = $this->getMockBuilder(ActionRequest::class)->disableOriginalConstructor()->getMock();
     $mockActionRequest->expects($this->atLeastOnce())->method('getHttpRequest')->will($this->returnValue($httpRequest));
     $this->token->updateCredentials($mockActionRequest);
     $this->assertSame(TokenInterface::NO_CREDENTIALS_GIVEN, $this->token->getAuthenticationStatus());
 }