public void GetCatsByFeMaleOwner()
        {
            // Arrange
            CatService catBusiness = new CatService(new PeopleRepository());
            Dictionary <Gender, IEnumerable <Pet> > result = catBusiness.GetCatsByOwnerGender();

            // Assert
            Assert.IsNotNull(result);
            Assert.IsNotNull(result[Gender.Female]);
            Assert.AreEqual("Garfield", result[Gender.Female].ToList()[0].name);
        }