public void Test1()
{
//sut
//arrange
IContainer container = DiSetup.InitDI();
Customer c = container.Resolve <Customer>(); //new Customer(new CustomerRepo());
c.FirstName = "Alfred";
c.LastName = "Obialo";
c.Address = "Nekede Owerri!";
c.Id = "alfredObialo";
// act
var res = c.CreateCustomer();
_testOutputHelper.WriteLine(res.Message);
_testOutputHelper.WriteLine(res.ExtraData.FirstName);
// assert
Assert.IsAssignableFrom <ICommandResult>(res);
Assert.NotNull(res.ExtraData);
Assert.IsAssignableFrom <IPersistableObj <Customer> >(c);
Assert.IsType <Customer>(res.ExtraData);
Assert.NotNull(c.DataSource);
Assert.IsAssignableFrom <ICommandRepository <Customer> >(c.DataSource.CommandRepository);
Assert.Equal(c, res.ExtraData);
Assert.True(res.Success);
}