ovs-macros.at: Hide 'exec -a' checking from user.

Messages like 'exec: -a: not found' are a bit annoying.

Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/ovs-macros.at b/tests/ovs-macros.at
index f2e6114ae..d60ec98d1 100644
--- a/tests/ovs-macros.at
+++ b/tests/ovs-macros.at
@@ -173,7 +173,7 @@ uuidfilt () {
 # prints a message if a bunch of identical processes are running.
 #
 # Not all shells support "exec -a NAME", so test for it.
-if (exec -a myname true); then
+if (exec -a myname true 2>&1 >/dev/null); then
     run_as () {
         (exec -a "$@")
     }