public void Test_SetHairColorAndStylistId_AdjustsDatabaseCorrectly()
        {
            // Arrange
              Client firstClient = new Client("Wendy", "blonde", 3);
              firstClient.Save();

              //Act
              firstClient.SetHairColor("brunette");
              firstClient.SetStylistId(2);
              Client resultClient = Client.Find(firstClient.GetId());

              //Assert
              Assert.Equal("brunette", resultClient.GetHairColor());
              Assert.Equal(2, resultClient.GetStylistId());
        }