public function testUrlIsRight()
{
$builder = $this->getMockBuilder('Zend\\Http\\Client')->setMethods(['send']);
$client = $builder->getMock();
/* @var $client \Zend\Http\Client */
$response = new Response();
$response->setContent(json_encode(['email' => '*****@*****.**']));
$response->setHeaders(Headers::fromString('Content-Type: application/json'));
$client->expects($this->once())->method('send')->willReturn($response);
$configuration = new Configuration();
$generator = new Generator($configuration, $client, 'abcd');
$email = $generator->generate();
self::assertEquals('*****@*****.**', $email);
self::assertEquals($configuration->getApiEndpointUrl(), $client->getUri()->toString());
}