testprogs: Fix remove_directory()

common_test_fns.inc: line 121: [: too many arguments

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

diff --git a/testprogs/blackbox/common_test_fns.inc b/testprogs/blackbox/common_test_fns.inc
index 68465e1e61a0f6481e1661c57c2ab3611590459a..a9e94b82e9953b1cdd61fc47e890d8150053fbba 100755 (executable)
--- a/testprogs/blackbox/common_test_fns.inc
+++ b/testprogs/blackbox/common_test_fns.inc
@@ -118,7 +118,7 @@ remove_directory()
        local xdir=${1}
        shift
 
-       if [ "$xdir" == "/" ] || [ ! -d "$xdir" ] || [ ! $(ls -A "$xdir") ]; then
+       if [ "$xdir" == "/" ] || [ ! -d "$xdir" ] || [ -z "$(ls -A "$xdir")" ]; then
                return
        fi