public void StartUpdatingAccount_WhenAccountNumberIsNotNullEmptyOrWhiteSpace_ReturnsPartialViewResultWhereModelIsAccountIdentificationViewModelWithAccountingNotEqualToNull()
        {
            Controller sut = CreateSut();

            PartialViewResult result = (PartialViewResult)sut.StartUpdatingAccount(_fixture.Create <int>(), _fixture.Create <string>());

            AccountIdentificationViewModel accountIdentificationViewModel = (AccountIdentificationViewModel)result.Model;

            Assert.That(accountIdentificationViewModel.Accounting, Is.Not.Null);
        }
        public void StartUpdatingContactAccount_WhenAccountNumberIsNotNullEmptyOrWhiteSpace_ReturnsPartialViewResultWhereModelIsAccountIdentificationViewModelWithAccountingWhereAccountingNumberEqualToArgument()
        {
            Controller sut = CreateSut();

            int accountingNumber     = _fixture.Create <int>();
            PartialViewResult result = (PartialViewResult)sut.StartUpdatingContactAccount(accountingNumber, _fixture.Create <string>());

            AccountIdentificationViewModel accountIdentificationViewModel = (AccountIdentificationViewModel)result.Model;

            Assert.That(accountIdentificationViewModel.Accounting.AccountingNumber, Is.EqualTo(accountingNumber));
        }