t0301-credential-cache: use 'test_atexit' to stop the credentials helper

diff --git a/t/t5551-http-fetch-smart.sh b/t/t5551-http-fetch-smart.sh
index ba83e567e5ca49c1664fe13f447e2744d55bfb3a..9faf6349cf1c606ba1efa622d294cff174b368ec 100755 (executable)
--- a/t/t5551-http-fetch-smart.sh
+++ b/t/t5551-http-fetch-smart.sh
@@ -434,5 +434,4 @@ test_expect_success 'server-side error detected' '
        grep "server-side error" actual
 '
 
-stop_httpd
 test_done