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);
}
