From 10bd7176e015f63e4bf2dfa829db66ce6d4a71f4 Mon Sep 17 00:00:00 2001
From: Dan Balasescu <smoogipoo@smgi.me>
Date: Tue, 23 Nov 2021 14:06:06 +0900
Subject: [PATCH] Fix potential test failure in TestSceneMultiplayerReadyButton

Couldn't exactly reproduce https://github.com/ppy/osu/runs/4294316800,
but I found a similar issue via:

```diff
diff --git a/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerReadyButton.cs b/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerReadyButton.cs
index 84b63a5733..29cac9b061 100644
--- a/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerReadyButton.cs
+++ b/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerReadyButton.cs
@@ -3,6 +3,7 @@

 using System;
 using System.Linq;
+using System.Threading;
 using System.Threading.Tasks;
 using NUnit.Framework;
 using osu.Framework.Allocation;
@@ -81,6 +82,8 @@ private void load(GameHost host, AudioManager audio)

                         await Client.ToggleReady();

+                        Thread.Sleep(1000);
+
                         readyClickOperation.Dispose();
                     });
                 }
```
---
 .../Multiplayer/TestSceneMultiplayerReadyButton.cs  | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerReadyButton.cs b/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerReadyButton.cs
index e9612bf55c..84b63a5733 100644
--- a/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerReadyButton.cs
+++ b/osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerReadyButton.cs
@@ -9,6 +9,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Audio;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.UserInterface;
 using osu.Framework.Platform;
 using osu.Framework.Testing;
 using osu.Framework.Utils;
@@ -198,11 +199,15 @@ namespace osu.Game.Tests.Visual.Multiplayer
             }, users);
         }
 
-        private void addClickButtonStep() => AddStep("click button", () =>
+        private void addClickButtonStep()
         {
-            InputManager.MoveMouseTo(button);
-            InputManager.Click(MouseButton.Left);
-        });
+            AddUntilStep("wait for button to be ready", () => button.ChildrenOfType<Button>().Single().Enabled.Value);
+            AddStep("click button", () =>
+            {
+                InputManager.MoveMouseTo(button);
+                InputManager.Click(MouseButton.Left);
+            });
+        }
 
         private void verifyGameplayStartFlow()
         {