From 3a1eeabff19e1068da6c312f0ac7f556841f872e Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Sat, 1 Feb 2025 14:10:37 +0900
Subject: [PATCH] audio: fix test flakiness

This test could fail on Windows, though this is pretty rare.

https://github.com/hajimehoshi/ebiten/actions/runs/13085345903/job/36515771792

```
=== RUN   TestSameSourcePlayers
    audio_test.go:98: got: nil, want: an error
```
---
 audio/audio_test.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/audio/audio_test.go b/audio/audio_test.go
index a238feadc..8125c3ff5 100644
--- a/audio/audio_test.go
+++ b/audio/audio_test.go
@@ -94,9 +94,14 @@ func TestSameSourcePlayers(t *testing.T) {
 	p0.Play()
 	p1.Play()
 
-	if err := audio.UpdateForTesting(); err == nil {
-		t.Errorf("got: nil, want: an error")
+	for i := 0; i < 10; i++ {
+		if err := audio.UpdateForTesting(); err != nil {
+			// An error is expected.
+			return
+		}
+		time.Sleep(200 * time.Millisecond)
 	}
+	t.Errorf("time out")
 }
 
 func TestPauseBeforeInit(t *testing.T) {