User user1 = new User(1, "admin", "admin", "Administrator", "admin@gmail.com");
User user2 = new User(2, "siva", "siva", "Siva", "sivaprasadreddy.k@gmail.com");
user1.addRoles(role1, role2);
user2.addRoles(role1);
userService.createUser(user1);
userService.createUser(user2);
Message m1 = new Message(0, "Message 1", user1);