function testAddRemoveCallbackURLSAllowed1()
 {
     $app = new API2ApplicationModel();
     ## No URLS
     $this->assertEquals(false, $app->hasAllowedCallbackUrls());
     $this->assertEquals(true, $app->isCallbackUrlAllowed("http://www.example.com/callback"));
     $this->assertEquals(true, $app->isCallbackUrlAllowed("http://www.example.co.uk/callback"));
     ## Add
     $app->addAllowedCallbackUrl('http://www.example.com/');
     ## Has URLS
     $this->assertEquals(true, $app->hasAllowedCallbackUrls());
     $this->assertEquals(true, $app->isCallbackUrlAllowed("http://www.example.com/callback"));
     $this->assertEquals(false, $app->isCallbackUrlAllowed("http://www.example.co.uk/callback"));
     ## Remove
     $app->removeAllowedCallbackUrl('http://www.example.com/');
     ## No URLS
     $this->assertEquals(false, $app->hasAllowedCallbackUrls());
     $this->assertEquals(true, $app->isCallbackUrlAllowed("http://www.example.com/callback"));
     $this->assertEquals(true, $app->isCallbackUrlAllowed("http://www.example.co.uk/callback"));
 }