Testing the lobby

To test this out, we are going to run three instances of the game:

1. Go to Debug | Run Multiple Instances and select Run 3 Instances.

Figure 3.3 – Choosing to run three instances in the Run Multiple Instances menu

2. Then, open the res://03.making-lobby-to-gather-players/MainMenu.tscn scene and hit the Play button.
3. Pick one of the instances to be the game’s server. To do that, just click on the Server button.

Figure 3.4 – Pressing the Server button on the MainMenu screen

4. Now, pick another instance and click on the Client button. It will take you to the LobbyLogin screen, where you can enter the first fake player’s credentials.
5. Insert user1 in the username field and test in the password field. These are the credentials we added to FakeDatabase.json for our first user. Then, press the Login button. It will take you to the LobbyClient screen with a single...