public void ShouldThrowExceptionWhenAddHobbyFails()
{
_hobbyRepository = new Mock<IHobbyRepository>();
_hobbyRepository.Setup(a => a.Add(It.IsAny<Hobby>())).Throws(new Exception());
_hobbyLogic = new HobbyLogic(_hobbyRepository.Object);
Assert.Throws<BlogException>(() => _hobbyLogic.Add(new Common.Contracts.Hobby()));
}