Investigate flaky async-hooks/test-statwatcher

  • Version: v11.0.0-pre (master)
  • Platform: win2016 (vs2017)
  • Subsystem: async_hooks

https://ci.nodejs.org/job/node-test-binary-windows/18119/COMPILED_BY=vs2017,RUNNER=win2016,RUN_SUBSET=0/console

00:59:50 not ok 12 async-hooks/test-statwatcher
00:59:50   ---
00:59:50   duration_ms: 0.468
00:59:50   severity: fail
00:59:50   exitcode: 1
00:59:50   stack: |-
00:59:50     assert.js:80
00:59:50       throw new AssertionError(obj);
00:59:50       ^
00:59:50     
00:59:50     AssertionError [ERR_ASSERTION]: Checking invocations at stage "watcher1: when unwatched second file":
00:59:50          Called "before" 2 time(s), but expected 1 invocation(s).
00:59:50         at checkHook (c:\workspace\node-test-binary-windows\COMPILED_BY\vs2017\RUNNER\win2016\RUN_SUBSET\0\test\async-hooks\hook-checks.js:51:14)
00:59:50         at Array.forEach (<anonymous>)
00:59:50         at checkInvocations (c:\workspace\node-test-binary-windows\COMPILED_BY\vs2017\RUNNER\win2016\RUN_SUBSET\0\test\async-hooks\hook-checks.js:28:62)
00:59:50         at Immediate.setImmediate (c:\workspace\node-test-binary-windows\COMPILED_BY\vs2017\RUNNER\win2016\RUN_SUBSET\0\test\async-hooks\test-statwatcher.js:65:9)
00:59:50         at runCallback (timers.js:678:18)
00:59:50         at tryOnImmediate (timers.js:649:5)
00:59:50         at processImmediate (timers.js:631:5)
00:59:50   ...