function testOperatingSystemsGetWithOptions()
 {
     $statcounter = new LaravelStatcounter(self::CONFIG);
     $url = $statcounter->operatingSystems(Device::MOBILE())->toUrl();
     $this->assertNotEmpty($url);
     $this->assertEquals($this->formatUrl('https://api.statcounter.com/stats/', '?vn=3&s=os&pi=%3$s&u=%1$s&t=%2$s&de=mobile'), $url);
 }