SparkPost\SparkPostResponse::withStatus PHP Метод

    public function withStatus($code, $reasonPhrase = '')
    {
        return $this->response->withStatus($code, $reasonPhrase);
    }

 public function testWithStatus()
 {
     $param = 'status';
     $this->responseMock->shouldReceive('withStatus')->andReturn($this->returnValue);
     $sparkpostResponse = new SparkPostResponse($this->responseMock);
     $this->assertEquals($this->responseMock->withStatus($param), $sparkpostResponse->withStatus($param));
 }