/**
  * Sets up our client and key before each test
  */
 public function setUp()
 {
     $this->apiKey = $_SERVER['BBY_API_KEY'];
     $this->client = $this->getMock(Client::class, ['doRequest']);
     $this->client->expects($this->any())->method('doRequest')->willReturnCallback([$this, 'getGeneratedUrl']);
 }