tests: rm: fix a test that would sometimes hang

* tests/rm/dash-hint.sh: Add the file name argument to grep, as I
intended when adding this test.

diff --git a/tests/rm/dash-hint.sh b/tests/rm/dash-hint.sh
index 249f348038a157efdb77b6c3993d0c4b82c3af42..0b72f8eefa4b2cee7632ef73fb0a99c745acb320 100755 (executable)
--- a/tests/rm/dash-hint.sh
+++ b/tests/rm/dash-hint.sh
@@ -22,7 +22,7 @@ print_ver_ rm
 # Check that the hint is not shown when there isn't file named "-foo".
 returns_ 1 rm -foo > out 2> err || fail=1
 compare /dev/null out || fail=1
-grep 'to remove the file' && fail=1
+grep -F 'to remove the file' err && fail=1
 
 # Check that the hint is shown when there is file named "-foo".
 echo a > -foo || framework_failure_