public void PrintWelcomeМessageTest() { var currentConsoleOut = Console.Out; string expected = "Welcome to the game “15”. Please try to arrange the numbers sequentially.\n" + "Use 'top' to view the top scoreboard, 'restart' to start a new game and \n'exit' to quit the game.\n"; using (var consoleOutput = new ConsoleOutput()) { render.PrintWelcome(); Assert.AreEqual(expected, consoleOutput.GetOuput()); } Assert.AreEqual(currentConsoleOut, Console.Out); }