#pragma warning disable CS1998
public async Task Save_NoSequenceNoPk_ThrowsCannotInsertNull()
{
var depts = new MightyOrm(string.Format(TestConstants.ReadWriteTestConnection, ProviderName), "SCOTT.DEPT", "DEPTNO");
dynamic toSave = new { DNAME = "Massive Dep", LOC = "Beach" }.ToExpando();
var ex = Assert.CatchAsync <DbException>(async() => await depts.SaveAsync(toSave));
Assert.True(ex.Message.Contains("cannot insert NULL"));
}