### Question:
LocalChatDao implements IChatApiDAO { @Override public Map<String, User> getUsers() { return users; } LocalChatDao(ChatAlyticsConfig config); @Override Map<String, Room> getRooms(); @Override Map<String, User> getUsers(); @Override Map<String, User> getUsersForRoom(Room room); @Override List<Message> getMessages(DateTime start, DateTime end, Room room); @Override Map<String, String> getEmojis();  }### Answer:
@Test public void testGetUsers() { Map<String, User> users = underTest.getUsers(); assertNotNull(users); assertFalse(users.isEmpty()); }