public function testMaxRetries()
 {
     $response = $this->getMockBuilder('Buzz\\Message\\Response')->getMock();
     $response->method('isEmpty')->willReturn(true);
     $request = $this->getMockBuilder('Buzz\\Message\\Request')->getMock();
     $client = $this->getMockBuilder('Buzz\\Client\\Curl')->getMock();
     $entity = new ExternalRoute($response, $request, $client);
     $this->assertInstanceOf('Buzz\\Message\\Response', $entity->process(function ($request) {
     }));
     $this->assertFalse($entity->isSuccessful());
 }