public async Task When_SendPendingEmailsIsCalled_AndThereAreTwoPendingEmails_Then_EmailSenderServiceCallsGetPendingEmailsTwice()
{
// Given
_emailsRepositoryMock
.Setup(mock => mock.GetPendingEmails())
.ReturnsAsync(new ActionResponse <IEnumerable <EmailDto> >(new List <EmailDto> {
_emailDtoStub, _emailDtoStub
}, SuccessResponseMessage));
var controller = new MailingController(_emailsRepositoryMock.Object, _emailSenderServiceMock.Object);
// When
await controller.SendPendingEmails();
// Then
_emailSenderServiceMock.Verify(mock => mock.Send(
It.IsAny <string>(), It.IsAny <IEnumerable <string> >(), It.IsAny <string>(), It.IsAny <string>()), Times.Exactly(2));
}