public void Stylist_DeleteClients_DeletesAllStylistsClients() { Stylist newStylist = new Stylist("John Smith", "(123)-456-7890"); newStylist.Save(); Client client1 = new Client("Tom Smith", "(555)-123-4567", newStylist.GetId()); client1.Save(); Client client2 = new Client("Billy Bob", "(123)-098-7654", newStylist.GetId()); client2.Save(); newStylist.DeleteClients(); List <Client> controlList = new List <Client> { }; List <Client> testList = newStylist.GetClients(); Assert.Equal(controlList, testList); }