def test_it_change_features_after_driver_change
get_auth_url "/api;driver=ec2"
(last_xml_response/'api/link[@rel="instances"]/feature[@name="user_name"]').first.should == nil
(last_xml_response/'api/link[@rel="instances"]/feature[@name="user_data"]').first.should_not == nil
get_auth_url "/api;driver=mock"
(last_xml_response/'api/link[@rel="instances"]/feature[@name="user_name"]').first.should_not == nil
(last_xml_response/'api/link[@rel="instances"]/feature[@name="firewalls"]').first.should == nil
end