public void GetAllExperiences_TryToGetSomeList_ShouldRepositoryCallOnce_ShouldReturnNotNullList() { expRepository.Setup(x => x.GetAll()).Returns(new List <ResumesExperience>() { }); //act & assert NUnit.Framework.Assert.IsNotNull(expService.GetAllExperiences()); expRepository.Verify(x => x.GetAll()); }