public function testConstructorParamsSetted()
 {
     $expectedAppId = getenv('DEEZER_APP_ID');
     $expectedAppSecret = getenv('DEEZER_APP_SECRET');
     $expectedRedirectUri = getenv('DEEZER_REDIRECT_URI');
     $this->assertEquals($expectedAppId, $this->api->getAppId());
     $this->assertEquals($expectedAppSecret, $this->api->getSecret());
     $this->assertEquals($expectedRedirectUri, $this->api->getRedirectUri());
 }