public static void TestPlaneToJson()
    {
        //The one thing we want to check
        //  -a valid plane object converts to a valid JSON object
        //We could do some tests here as far as malformed/invalid objects, but that ObjectTests should probably be ensuring we are getting a proper object

        //make some planes
        Plane plane1 = new Plane("abcd", new PlaneAttributes("abcd", 2, 45, 20, 100, 19000)); //valid plane object
        Plane plane2 = new Plane("DEF328", new PlaneAttributes("483CBA50", 1, 35, 15, 50, 12000));  //valid plane object

        //Give them a current position - AddPosition(GPSData data)
        GPSData gps1 = new GPSData (-90, 90, 20000, 232050);
        GPSData gps2 = new GPSData (-45, 45, 15000, 190000);
        plane1.AddPosition(gps1);
        plane2.AddPosition(gps2);

        //convert the objects to JSON
        string jsonPlane1 = plane1.ToJson();
        string jsonPlane2 = plane2.ToJson();

        JsonObject correctJSONObject1 = (JsonObject)Json.Parse(createCorrectDataSet());
        JsonObject correctJSONObject2 = (JsonObject)Json.Parse(createCorrectDataSet2());

        //test them
        jsonPlane1.ShouldBe(correctJSONObject1.PrettyPrint());
        jsonPlane2.ShouldBe(correctJSONObject2.PrettyPrint());
    }