public void GetNumberOfSnakesInShelterTest()
{
var shelter = new ShelterRepository(1);
Rabbit rabbit = new Rabbit {
Name = "rabbit", AgeInHumanYears = 2
};
//shelter.AddAnimal(rabbit);
var expected = 0;
var actual = shelter.GetNumberOfSnakesInShelter();
Assert.AreEqual(expected, actual);
}