public void BugService_getbyid_simple_bug() { var idBug = Guid.NewGuid(); var dataBug = new Data.Entity.Bug { Name = "Data Bug" }; _bugRepository.Setup(x => x.GetById(It.IsAny <Guid>())).Returns(dataBug); var resut = _bugService.GetById(idBug); _bugRepository.Verify(x => x.GetById(It.IsAny <Guid>()), Times.Once()); }