test-reach: test get_merge_bases_many

diff --git a/t/t7201-co.sh b/t/t7201-co.sh
index 76c223c9675cd1531ac078fa9e0c1f8cc4e09781..ab9da61da391f1b6040076dda2454f602adef7d2 100755 (executable)
--- a/t/t7201-co.sh
+++ b/t/t7201-co.sh
@@ -65,7 +65,7 @@ test_expect_success setup '
 test_expect_success "checkout from non-existing branch" '
 
        git checkout -b delete-me master &&
-       rm .git/refs/heads/delete-me &&
+       git update-ref -d --no-deref refs/heads/delete-me &&
        test refs/heads/delete-me = "$(git symbolic-ref HEAD)" &&
        git checkout master &&
        test refs/heads/master = "$(git symbolic-ref HEAD)"