private static void ExecuteAndAssert <T>(T expected, MethodCall <T> methodCall)
{
Assert.Equal(expected, methodCall.Execute(mockServiceLocator));
var methodToJson = methodCall.ToJson();
var methodFromJson = MethodCall <T> .FromJson(methodToJson);
Assert.Equal(expected, methodFromJson.Execute(mockServiceLocator));
var newtonJson = JsonConvert.SerializeObject(methodCall);
var newtonMethod = JsonConvert.DeserializeObject <MethodCall <T> >(newtonJson);
Assert.Equal(expected, newtonMethod.Execute(mockServiceLocator));
}