From 56d7d814658d1d202e405f237cf74d8a386d078b Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Tue, 25 Jan 2022 14:47:21 +0900
Subject: [PATCH] Fix broken test due to `SynchronizationContext` never running
 expected work

---
 osu.Game.Tests/Database/GeneralUsageTests.cs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/osu.Game.Tests/Database/GeneralUsageTests.cs b/osu.Game.Tests/Database/GeneralUsageTests.cs
index 8262ef18d4..dc0d42595b 100644
--- a/osu.Game.Tests/Database/GeneralUsageTests.cs
+++ b/osu.Game.Tests/Database/GeneralUsageTests.cs
@@ -87,6 +87,11 @@ namespace osu.Game.Tests.Database
 
                 hasThreadedUsage.Wait();
 
+                // Usually the host would run the synchronization context work per frame.
+                // For the sake of keeping this test simple (there's only one update invocation),
+                // let's replace it so we can ensure work is run immediately.
+                SynchronizationContext.SetSynchronizationContext(new ImmediateExecuteSynchronizationContext());
+
                 Assert.Throws<TimeoutException>(() =>
                 {
                     using (realm.BlockAllOperations())
@@ -102,5 +107,10 @@ namespace osu.Game.Tests.Database
                 }
             });
         }
+
+        private class ImmediateExecuteSynchronizationContext : SynchronizationContext
+        {
+            public override void Post(SendOrPostCallback d, object? state) => d(state);
+        }
     }
 }