test_runner: add context subtests expectFailureonlyskiptodo

[JakobJingleheimer]

Closes#61251
Closes#62156
Fixes#50665

[nodejs-github-bot]

Review requested:

• @nodejs/test_runner

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.79%. Comparing base (1989f4d) to head (bc3b228).
⚠️ Report is 1296 commits behind head on main.

Additional details and impacted files

@@ Coverage Diff @@## main #62263 +/- ##
==========================================
+ Coverage 89.65% 89.79% +0.13% 
==========================================
Files 676 697 +21 Lines 206555 215809 +9254 Branches 39547 41306 +1759 ==========================================
+ Hits 185195 193787 +8592 - Misses 13495 14112 +617 - Partials 7865 7910 +45 

Files with missing lines	Coverage Δ
lib/internal/test_runner/test.js	97.00% <100.00%> (+0.19%)	⬆️

... and 154 files with indirect coverage changes

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[JakobJingleheimer]

Okee I finally figure out what is wrong:

 at Test.start (node:internal/test_runner/test:…)
- at TestContext.test (node:internal/test_runner/test:377:20)+ at #runTest (node:internal/test_runner/test:378:20)+ at test.ObjectAssign.__proto__ [as test] (node:internal/test_runner/test:383:59)
at TestContext.<anonymous> (<project-root>/test/fixtures/test-runner/output/hooks.js:197:11)
- at Test.runInAsyncScope (node:async_hooks:226:14)

full diff screenshot

The problem is the new implementation replaces 1 entry (at TestContext.test) in the middle of the stack with 2 entries (at #runTest and at test.ObjectAssign.__proto__), and getCallerLocation() returns 10 entries, causing the bottom Test.runInAsyncScope to get lobbed off.

There are 2 things to consider here:

• at #runTest and at test.ObjectAssign.__proto__ is not as pretty as at TestContext.test
  • moving the ObjectAssign to the constructor (ObjectAssign(this.test, {…}) does make the stack prettier:

    at Test.start (node:internal/test_runner/test:1136:17)
    at #runTest (node:internal/test_runner/test:406:20)
    at TestContext.test (node:internal/test_runner/test:412:25)
    at TestContext.<anonymous> (<project-root>/test/fixtures/test-runner/output/hooks.js:197:11)
    

• is that bottom Test.runInAsyncScope important?

[github-actions]

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