public function testGetUser()
 {
     $headers = array('Authorization' => 'Bearer ' . $this->accessToken);
     $return = array('body' => get_fixture('user'));
     $stub = $this->setupStub('GET', '/v1/users/mcgurk', array(), $headers, $return);
     $api = new SpotifyWebAPI\SpotifyWebAPI($stub);
     $api->setAccessToken($this->accessToken);
     $response = $api->getUser('mcgurk');
     $this->assertObjectHasAttribute('id', $response);
 }