tests: `grep` in skip os is now silent

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/tests/tests.sh b/tests/tests.sh
index 88487d4..1a09d96 100755 (executable)
--- a/tests/tests.sh
+++ b/tests/tests.sh
@@ -319,7 +319,7 @@ need_skip()
 
        # Skip by OS
        os_skip_file=`uname`.skip
-       if test -e $os_skip_file && echo "$1" | grep -f "$os_skip_file"; then
+       if test -e $os_skip_file && echo "$1" | grep -f "$os_skip_file" >/dev/null 2>&1; then
                echo "=> $2: [skip os]"
                echo >>$xml "<testcase classname='`xmlesc "$3"`' name='`xmlesc "$2"`' `timestamp`><skipped/></testcase>"
                return 0