public void DerivedClassesHaveSoundFromAnimalAndIsOverriden()
{
HouseCat sox = new HouseCat("Black&White", 10);
Sunfish sox2 = new Sunfish();
Snakes sox3 = new Snakes(false, true);
Tiger socks = new Tiger();
Bird skcos = new Bird();
Frog frog = new Frog();
Assert.Equal("Meow meow", sox.Sound());
Assert.Equal("glug glug", sox2.Sound());
Assert.Equal("Croaaaak", frog.Sound());
Assert.Equal("hissssss", sox3.Sound());
Assert.Equal("Rawwwwr", socks.Sound());
Assert.Equal("Tweet tweet", skcos.Sound());
}