public void ShouldGetHobbiesByUser()
{
var expected = _hobbies.Where(a => a.UserId == 1).ToList();
_hobbyRepository = new Mock<IHobbyRepository>();
_hobbyRepository.Setup(a => a.Find(It.IsAny<Expression<Func<Hobby, bool>>>(), false))
.Returns(expected);
_hobbyLogic = new HobbyLogic(_hobbyRepository.Object);
var results = _hobbyLogic.GetByUser(1);
Assert.AreEqual(2, results.Count);
}