public function testOnionUrl()
{
$this->assertTrue(\Airship\isOnionUrl('http://duskgytldkxiuqc6.onion'));
$this->assertTrue(\Airship\isOnionUrl('https://facebookcorewwwi.onion'));
$this->assertTrue(\Airship\isOnionUrl('http://example.com.onion'));
$this->assertFalse(\Airship\isOnionUrl('http://duskgytldkxiuqc6.onion.to'));
$this->assertFalse(\Airship\isOnionUrl('https://duskgytldkxiuqc6.onion.to'));
$this->assertFalse(\Airship\isOnionUrl('http://example.com?.onion'));
}