upstream: give ssh-agent more time to start in tests; requested in

GHPR602

OpenBSD-Regress-ID: 7d771db2c1d4a422e83c3f632ba1e96f72a262b8

Author: djmdjm

regress/test-exec.sh

@@ -1,4 +1,4 @@
-#	$OpenBSD: test-exec.sh,v 1.134 2025/11/24 23:54:15 djm Exp $
+#	$OpenBSD: test-exec.sh,v 1.135 2025/11/24 23:56:58 djm Exp $
 #	Placed in the Public Domain.
 
 #SUDO=sudo
@@ -1037,7 +1037,7 @@ start_ssh_agent() {
 	    > $OBJ/agent.log 2>&1 &
 	AGENT_PID=$!
 	trap "kill $AGENT_PID" EXIT
-	for x in 0 1 2 3 4 ; do
+	for x in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ; do
 		# Give it a chance to start
 		${SSHADD} -l > /dev/null 2>&1
 		r=$?