From 5e0467b6c7cee3ce8969a8b584d9e6ab01d074f7 Mon Sep 17 00:00:00 2001
From: "Bryan C. Mills" <bcmills@google.com>
Date: Wed, 12 Jan 2022 12:48:33 -0500
Subject: [PATCH] acme: in TestFetchCertCancel, do not reply before the
 cancellation propagates

Fixes golang/go#44611

Change-Id: I81b3c3b7be25fe4e492695fa5935e70aa7b96c07
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/378074
Trust: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
---
 acme/acme_test.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/acme/acme_test.go b/acme/acme_test.go
index db9718a..b46f70d 100644
--- a/acme/acme_test.go
+++ b/acme/acme_test.go
@@ -975,6 +975,7 @@ func TestFetchCertRetry(t *testing.T) {
 
 func TestFetchCertCancel(t *testing.T) {
 	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		<-r.Context().Done()
 		w.Header().Set("Retry-After", "0")
 		w.WriteHeader(http.StatusBadRequest)
 	}))