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## Summary - Replace all fixed-timeout wait loops with simple indefinite `while` loops - Add 5-second stabilization delay after VPN connection before running ping tests - Add server-side tun0 interface verification before signaling client - Add wait for OpenVPN restart after server certificate renewal ## Problem Tests fail randomly with errors like: ``` Test 2: Pinging VPN gateway (10.9.0.1)... 10 packets transmitted, 0 received, 100% packet loss FAIL: Cannot ping VPN gateway ``` Example: https://github.com/angristan/openvpn-install/actions/runs/20230801728/job/58072998112 ## Solution Instead of guessing timeout values that may be too short for slow CI runners, all wait loops now run indefinitely and rely on the job-level timeout to catch actual failures. **Before:** ```bash MAX_WAIT=60 WAITED=0 while [ condition ] && [ $WAITED -lt $MAX_WAIT ]; do sleep 2 WAITED=$((WAITED + 2)) done if [ condition ]; then exit 1; fi ``` **After:** ```bash while [ condition ]; do sleep 2 done ``` This removes 83 lines of boilerplate timeout logic.