public void TestSayHelloToUser()
 {
     var user = new User {Name = "JCM"};
     Assert.AreEqual("Hello, JCM",user.SayHello(user.Name));
 }
 public void TestSayHello()
 {
     var user = new User();
     Assert.AreEqual("Hello, JCM", user.SayHello("JCM"));
 }