investigate flaky test-inspector-wait-for-connection in Ci

[gireeshpunathil]

• Version: master
• Platform: windows
• Subsystem: inspector

12:00:52 not ok 677 parallel/test-inspector-wait-for-connection
12:00:52   ---
12:00:52   duration_ms: 120.197
12:00:52   severity: fail
12:00:52   exitcode: 1
12:00:52   stack: |-
12:00:52     timeout
12:00:52     [test] Connecting to a child Node process
12:00:52     [test] Testing /json/list
12:00:52     [err] Debugger listening on ws://127.0.0.1:53915/3c4b93bc-bd31-49c4-b432-e3c19aeb5155
12:00:52     [err] 
12:00:52     [out] before wait for debugger
12:00:52     [out] 
12:00:52     [err] For help, see: https://nodejs.org/en/docs/inspector
12:00:52     [err] 
12:00:52     [err] Debugger attached.
12:00:52     [err] 
12:00:52     [test] Connecting to a child Node process
12:00:52     [test] Testing /json/list
12:00:52     [out] after wait for debugger
12:00:52     [out] before second wait for debugger
12:00:52     [out] 
12:00:52     [err] Debugger attached.
12:00:52     [err] 
12:00:52   ...

ref: https://ci.nodejs.org/job/node-test-binary-windows-2/COMPILED_BY=vs2017,RUNNER=win2016,RUN_SUBSET=1/4420/console

[gireeshpunathil]

another failure today:

13:34:00 not ok 679 parallel/test-inspector-wait-for-connection
13:34:00   ---
13:34:00   duration_ms: 120.215
13:34:00   severity: fail
13:34:00   exitcode: 1
13:34:00   stack: |-
13:34:00     timeout
13:34:00     [test] Connecting to a child Node process
13:34:00     [test] Testing /json/list
13:34:00     [err] Debugger listening on ws://127.0.0.1:54820/83940afc-f5e6-4f94-b210-19b0298ec185
13:34:00     [err] 
13:34:00     [out] before wait for debugger
13:34:00     [out] 
13:34:00     [err] For help, see: https://nodejs.org/en/docs/inspector
13:34:00     [err] 
13:34:00     [err] Debugger attached.
13:34:00     [err] 
13:34:00     [test] Connecting to a child Node process
13:34:00     [test] Testing /json/list
13:34:00     [out] after wait for debugger
13:34:00     [out] before second wait for debugger
13:34:00     [out] 
13:34:00     [err] Debugger attached.
13:34:00     [err] 
13:34:00   ...

https://ci.nodejs.org/job/node-test-binary-windows-2/COMPILED_BY=vs2017,RUNNER=win2016,RUN_SUBSET=1/4508/console

[Trott]

This test fails with a modest -j and --repeat:

$ tools/test.py -j 16 --repeat 32 test/parallel/test-inspector-wait-for-connection.js 
=== release test-inspector-wait-for-connection ===                   
Path: parallel/test-inspector-wait-for-connection
[test] Connecting to a child Node process
[test] Testing /json/list
[err] Debugger listening on ws://127.0.0.1:49207/f28bdf47-67b5-4ad1-8e95-978b35264416
[err] For help, see: https://nodejs.org/en/docs/inspector
[err] 
[err] Debugger attached.
[err] 
[out] before wait for debugger
[out]
Timed out waiting for matching notification (Console output matching "after wait for debugger"))
1
Command: out/Release/node /Users/trott/io.js/test/parallel/test-inspector-wait-for-connection.js

[Trott]

@nodejs/inspector

[targos]

Closing as there was no recent activity

[Trott]

#42196 #42209 #37476 #27916

Other activity on GitHub looks like spurious nuisance comments etc. Blocking.