public async Task PrimaryKey_Read_Check()
{
var soh = new SalesOrderHeaders();
var toValidate = await soh.SingleAsync(new { SalesOrderID = 45816 });
Assert.IsTrue(soh.HasPrimaryKey(toValidate));
var pkValue = soh.GetPrimaryKey(toValidate);
Assert.AreEqual(45816, pkValue);
}