protected function mockResponse($answer, $contentType = 'application/json')
{
$response = new Http\Response();
$response = $response->withHeader('Content-Type', $contentType)->withBody($answer);
$client = $this->getMock('Everypay\\Http\\Client\\CurlClient', array('send'));
$client->expects($this->once())->method('send')->will($this->returnValue($response));
AbstractResource::setClient($client);
}
