public void CanValidateForCreation()
{
dynamic model = this.GetResource("test.validator");
dynamic record = new ExpandoObject();
record.required_field = null;
record.readonly_field = "hello!";
var vex = Assert.Throws <ValidationException>(() =>
{
EntityValidator.ValidateRecordForCreation(model, record);
});
Assert.AreEqual(1, vex.Fields.Count);
}