public async Task GetAllAsyncWhenNoTutorsReturnsEmptyCollection()
{
// Arrange
var mockUnitOfWork = GetDefaultUnitOfWorkRepositoryInstance();
var mockTutorRepository = GetDefaultTutorRepositoryInstance();
var mockExpertTopicRepository = new Mock <IExpertTopicRepository>();
mockTutorRepository.Setup(r => r.ListAsync()).ReturnsAsync(new List <Tutor>());
var service = new TutorService(mockTutorRepository.Object, mockUnitOfWork.Object, mockExpertTopicRepository.Object);
// Act
List <Tutor> result = (List <Tutor>) await service.ListAsync();
var TutorCount = result.Count;
// Assert
TutorCount.Should().Equals(0);
}
