Test report generation failing with ValueError: Length mismatch

[fjetter]

#6989 broke our test_report script which raises now a ValueError due to us parsing the job name.

I guess that the changes in the script only support new-generation names but not old generation names

Downloading and parsing 854 artifacts...
  File "/home/runner/work/distributed/distributed/continuous_integration/scripts/test_report.py", line 501, in <module>
    main()
  File "/home/runner/work/distributed/distributed/continuous_integration/scripts/test_report.py", line 385, in main
    dfs = list(
  File "/home/runner/work/distributed/distributed/continuous_integration/scripts/test_report.py", line 341, in download_and_parse_artifacts
    jobs_df = get_jobs(r, session=session)
  File "/home/runner/work/distributed/distributed/continuous_integration/scripts/test_report.py", line 140, in get_jobs
    df_jobs.name.str.extract(r"test \((.+)\)", expand=False)
  File "/usr/share/miniconda3/envs/dask-distributed/lib/python3.9/site-packages/pandas/util/_decorators.py", line 311, in wrapper
    return func(*args, **kwargs)
  File "/usr/share/miniconda3/envs/dask-distributed/lib/python3.9/site-packages/pandas/core/frame.py", line 4786, in set_axis
    return super().set_axis(labels, axis=axis, inplace=inplace)
  File "/usr/share/miniconda3/envs/dask-distributed/lib/python3.9/site-packages/pandas/core/generic.py", line 755, in set_axis
    return self._set_axis_nocheck(labels, axis, inplace)
  File "/usr/share/miniconda3/envs/dask-distributed/lib/python3.9/site-packages/pandas/core/generic.py", line 764, in _set_axis_nocheck
    obj.set_axis(labels, axis=axis, inplace=True)
  File "/usr/share/miniconda3/envs/dask-distributed/lib/python3.9/site-packages/pandas/util/_decorators.py", line 311, in wrapper
    return func(*args, **kwargs)
  File "/usr/share/miniconda3/envs/dask-distributed/lib/python3.9/site-packages/pandas/core/frame.py", line 4786, in set_axis
    return super().set_axis(labels, axis=axis, inplace=inplace)
  File "/usr/share/miniconda3/envs/dask-distributed/lib/python3.9/site-packages/pandas/core/generic.py", line 755, in set_axis
    return self._set_axis_nocheck(labels, axis, inplace)
  File "/usr/share/miniconda3/envs/dask-distributed/lib/python3.9/site-packages/pandas/core/generic.py", line 761, in _set_axis_nocheck
    setattr(self, self._get_axis_name(axis), labels)
  File "/usr/share/miniconda3/envs/dask-distributed/lib/python3.9/site-packages/pandas/core/generic.py", line 5588, in __setattr__
    return object.__setattr__(self, name, value)
  File "pandas/_libs/properties.pyx", line 70, in pandas._libs.properties.AxisProperty.__set__
  File "/usr/share/miniconda3/envs/dask-distributed/lib/python3.9/site-packages/pandas/core/generic.py", line 769, in _set_axis
    self._mgr.set_axis(axis, labels)
  File "/usr/share/miniconda3/envs/dask-distributed/lib/python3.9/site-packages/pandas/core/internals/managers.py", line [21](https://github.com/dask/distributed/runs/8202155512?check_suite_focus=true#step:7:22)4, in set_axis
    self._validate_set_axis(axis, new_labels)
  File "/usr/share/miniconda3/envs/dask-distributed/lib/python3.9/site-packages/pandas/core/internals/base.py", line 69, in _validate_set_axis
    raise ValueError(
ValueError: Length mismatch: Expected axis has 3 elements, new values have 4 elements

cc @gjoseph92

[gjoseph92]

Oops that makes sense. I'll fix it.