From 4d142ebe06f6cdbae61060777b4839b6bbe5bd04 Mon Sep 17 00:00:00 2001
From: Maisem Ali <maisem@tailscale.com>
Date: Mon, 12 Apr 2021 14:45:09 -0700
Subject: [PATCH] derp: handle net.ErrClosed in TestSendFreeze

Signed-off-by: Maisem Ali <maisem@tailscale.com>
---
 derp/derp_test.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/derp/derp_test.go b/derp/derp_test.go
index b3aea308b..db3586170 100644
--- a/derp/derp_test.go
+++ b/derp/derp_test.go
@@ -409,7 +409,7 @@ func TestSendFreeze(t *testing.T) {
 	for i := 0; i < cap(errCh); i++ {
 		err := <-errCh
 		if err != nil {
-			if errors.Is(err, io.EOF) {
+			if errors.Is(err, io.EOF) || errors.Is(err, net.ErrClosed) {
 				continue
 			}
 			t.Error(err)