completion: consolidate test_completion*() tests

diff --git a/t/t5517-push-mirror.sh b/t/t5517-push-mirror.sh
index ea49dedbf8867694d83cd550c8212ff107361920..e2ad2605084194868fc23e23fec1636af622b47f 100755 (executable)
--- a/t/t5517-push-mirror.sh
+++ b/t/t5517-push-mirror.sh
@@ -19,7 +19,8 @@ mk_repo_pair () {
        mkdir mirror &&
        (
                cd mirror &&
-               git init
+               git init &&
+               git config receive.denyCurrentBranch warn
        ) &&
        mkdir master &&
        (