public void IsExists_ShouldReturnStewardessDto_WhenStewardessExists() { A.CallTo(() => _fakeUnitOfWork.Set<Stewardess>().Get(_stewardessId)).Returns(new List<Stewardess> { _stewardess }); var result = _stewardessService.IsExist(_stewardessId); Assert.AreEqual(_stewardessDTO, result); }