gh-36936: `src/sage/doctest/forker.py`: Show '# [failed in baseline]' earlier
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The note "[failed in baseline]" already appears in the doctest failure
summary.
Here we add the note also to the `sage -t` line during doctesting:
https://github.com/sagemath/sage/actions/runs/7281940815/job/19843412065
?pr=36936#step:11:2744
```
sage -t --random-seed=256963700569517996050547927079750684585
src/sage/combinat/combinatorial_map.py
[75 tests, 0.05 s]
sage -t --random-seed=256963700569517996050547927079750684585
src/sage/combinat/cluster_algebra_quiver/quiver.py # [failed in
baseline]
[320 tests, 3.73 s]
sage -t --random-seed=256963700569517996050547927079750684585
src/sage/combinat/composition_signed.py
[20 tests, 0.16 s]
```
https://github.com/sagemath/sage/actions/runs/7281940815/job/19843412065
?pr=36936#step:11:9192
```
sage -t --random-seed=256963700569517996050547927079750684585
src/sage_setup/setenv.py
[0 tests, 0.00 s]
sage -t --random-seed=256963700569517996050547927079750684585
src/sage_setup/clean.py # [failed in baseline]
**********************************************************************
File "src/sage_setup/clean.py", line 104, in
sage_setup.clean._find_stale_files
Failed example:
for f in stale_iter:
if f.endswith(skip_extensions): continue
if '/ext_data/' in f: continue
print('Found stale file: ' + f)
Expected nothing
Got:
Found stale file: sage/tests/books/judson-abstract-
algebra/homomorph-sage-exercises.py
Found stale file: sage/tests/books/judson-abstract-algebra/actions-
sage-exercises.py
Found stale file: sage/tests/books/judson-abstract-
algebra/homomorph-sage.py
```
The changes in the code that implement this are also preparation for:
- #36558.
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### :hourglass: Dependencies
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URL: https://github.com/sagemath/sage/pull/36936
Reported by: Matthias Köppe
Reviewer(s): Kwankyu Lee, Matthias Köppe
