fsmonitor: update GIT_TEST_FSMONITOR support

diff --git a/t/t5509-fetch-push-namespaces.sh b/t/t5509-fetch-push-namespaces.sh
index 75c570adcae4f474c15775ec8504521fc806e2a9..c88df78c0bffaae8f09fc2db79427d85a6f8ff48 100755 (executable)
--- a/t/t5509-fetch-push-namespaces.sh
+++ b/t/t5509-fetch-push-namespaces.sh
@@ -44,7 +44,7 @@ test_expect_success 'pushing into a repository using a ref namespace' '
                test_cmp expected actual &&
                # Try a namespace with no content
                git ls-remote "ext::git --namespace=garbage %s ../pushee" >actual &&
-               test_cmp /dev/null actual &&
+               test_must_be_empty actual &&
                git ls-remote pushee-unnamespaced >actual &&
                sed -e "s|refs/|refs/namespaces/namespace/refs/|" expected >expected.unnamespaced &&
                test_cmp expected.unnamespaced actual