public void GetCatsGroupedByOwnerGender_ShouldReturnCatsGroupedByOwner()
{
peopleRepository.Setup(p => p.People).Returns(personArray);
var groupedPets = petsDomain.GetCatsGroupedByOwnerGender(OrderBy.Ascending);
Assert.IsTrue(groupedPets.Success);
Assert.AreEqual(2, groupedPets.GroupedByOwner.Count());
Assert.AreEqual(3, groupedPets.GroupedByOwner.SelectMany(g => g).Count());
Assert.AreEqual(PetType.Cat, groupedPets.PetType);
}
