test.sh: remove scary-looking output from 'make check'

NO_VALGRIND= daemon/test/test.sh --normal --restart
lightning-cli: Connecting to 'lightning-rpc': Connection refused
lightning-cli: Connecting to 'lightning-rpc': Connection refused
lightning-cli: Connecting to 'lightning-rpc': Connection refused
lightning-cli: Connecting to 'lightning-rpc': Connection refused
lightning-cli: Connecting to 'lightning-rpc': Connection refused

This is expected: it happens when node3 is restarting.  Redirect
errors to /dev/null.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

daemon/test/test.sh

@@ -1052,7 +1052,7 @@ if [ ! -n "$MANUALCOMMIT" ]; then
     # If restarting, make sure node3 remembers incoming payment.
     if [ "$RECONNECT" = restart ]; then
 	$LCLI3 -- dev-restart $LIGHTNINGD3 >/dev/null 2>&1 || true
-	if ! check "$LCLI3 getpeers | tr -s '\012\011\" ' ' ' | fgrep -q 'connected : true'"; then
+	if ! check "$LCLI3 getpeers 2>/dev/null | tr -s '\012\011\" ' ' ' | fgrep -q 'connected : true'"; then
 	    echo "Failed to reconnect!">&2
 	    exit 1
 	fi