client-proxy/test-https-proxy-request-handshake-failure is flaky #59166

not ok 27 client-proxy/test-https-proxy-request-handshake-failure
  ---
  duration_ms: 10890.37000
  severity: fail
  exitcode: 1
  stack: |-
    [CLOSE] 0 null
    [STDERR] Request timed out
    Request Error Error [ERR_PROXY_TUNNEL]: Connection to establish proxy tunnel timed out after 1000ms
        at Socket.onTimeout (node:https:373:19)
        at Object.onceWrapper (node:events:621:28)
        at Socket.emit (node:events:519:35)
        at Socket._onTimeout (node:net:604:8)
        at listOnTimeout (node:internal/timers:608:17)
        at process.processTimers (node:internal/timers:543:7) {
      code: 'ERR_PROXY_TUNNEL',
      proxyTunnelTimeout: 1000
    }
    
    node:internal/modules/run_main:107
        triggerUncaughtException(
        ^
    
    AssertionError [ERR_ASSERTION]: The input did not match the regular expression /UNABLE_TO_VERIFY_LEAF_SIGNATURE/. Input:
    
    'Request timed out\n' +
      'Request Error Error [ERR_PROXY_TUNNEL]: Connection to establish proxy tunnel timed out after