public void GoodByeShouldPrintInTheConsoleProperMessage() { using (StringWriter sw = new StringWriter()) { Console.SetOut(sw); String message = "GoodBye"; manager.GoodBye(message); StringBuilder expected = new StringBuilder(); expected.Append(Environment.NewLine); expected.Append(message); expected.Append(Environment.NewLine); Assert.AreEqual <string>(expected.ToString(), sw.ToString(), "Expected message from GoodBye method is not received."); } }