public void ValidateMissingPKValue()
{
var a = new TableA();
a.FirstName = "whatever";
using (var cn = new PostulateDb().GetConnection())
{
cn.Open();
var errs = a.GetValidationErrors(cn, SaveAction.Insert);
Assert.IsTrue(errs.Any(item => item.Equals("Primary key field LastName requires a value.")));
}
}