From 15c88da25c93aa267529e52c973290e1fd0b6aea Mon Sep 17 00:00:00 2001
From: Mark Sagi-Kazar <mark.sagikazar@gmail.com>
Date: Wed, 22 Sep 2021 10:39:19 +0200
Subject: [PATCH] test(windows): fix watch file test

Signed-off-by: Mark Sagi-Kazar <mark.sagikazar@gmail.com>
---
 viper_test.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/viper_test.go b/viper_test.go
index 2ad25ba..349d09e 100644
--- a/viper_test.go
+++ b/viper_test.go
@@ -2346,9 +2346,12 @@ func TestWatchFile(t *testing.T) {
 		t.Logf("test config file: %s\n", configFile)
 		wg := sync.WaitGroup{}
 		wg.Add(1)
+		var wgDoneOnce sync.Once // OnConfigChange is called twice on Windows
 		v.OnConfigChange(func(in fsnotify.Event) {
 			t.Logf("config file changed")
-			wg.Done()
+			wgDoneOnce.Do(func() {
+				wg.Done()
+			})
 		})
 		v.WatchConfig()
 		// when overwriting the file and waiting for the custom change notification handler to be triggered