public void BugService_get_all_bugs() { var bugs = new List <Data.Entity.Bug> { new Data.Entity.Bug { IdBug = Guid.NewGuid(), Name = "Bug One" }, new Data.Entity.Bug { IdBug = Guid.NewGuid(), Name = "Bug Two" }, }; _bugRepository.Setup(x => x.GetAll()).Returns(bugs); var resut = _bugService.GetAll(); Assert.IsTrue(resut.Any()); _bugRepository.Verify(x => x.GetAll(), Times.Once()); }