public void Initialize_WhenThereAreSomeBillToIDsInDB_ReturnNotEmptyBillToIDList() { var repository = new BillToIDsRepository(databaseConnection); var sut = new BMPresenter(databaseConnection, userName, viewer); repository.CreateBillToID("123456", userName, DateTime.Now); BMViewModel vm = sut.Initialize(); Assert.That(vm.BillToIdDt.Rows, Has.Count.GreaterThan(0)); Assert.That(vm.BillToIdDt.Rows, Has.Count.EqualTo(1)); databaseConnection.RunSqlCommand("truncate table BillToIDs"); }