Improve test-robustness-reports target to skip non-directory during test

[henrybear327]

Please read https://github.com/etcd-io/etcd/blob/main/CONTRIBUTING.md#contribution-flow.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.05%. Comparing base (9daedd3) to head (4647392).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

see 19 files with indirect coverage changes

@@            Coverage Diff             @@
##             main   #20661      +/-   ##
==========================================
- Coverage   69.15%   69.05%   -0.10%     
==========================================
  Files         420      420              
  Lines       34794    34794              
==========================================
- Hits        24061    24028      -33     
- Misses       9328     9365      +37     
+ Partials     1405     1401       -4     

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[serathius]

Is there any other way we could make it work on MacOS without directly targetting it? I don't like to set a precedence that we should accept workarounds for weird behavior of any platform.

[henrybear327]

Is there any other way we could make it work on MacOS without directly targetting it? I don't like to set a precedence that we should accept workarounds for weird behavior of any platform.

Good call :)

I looked further down and realized that we need a directory per test, thus simplifying it further.

[henrybear327]

/retest

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[APPROVALNOTIFIER] This PR is APPROVED

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