ENH: Do not wrap lines in logs (or provide an option to avoid wrapping)

[h-vetinari]

In conda-forge/torchaudio-feedstock#4, I see the following kind of lines

 │ │ │ =========================== short test summary info ============================
 │ │ │ FAILED test/torchaudio_unittest/compliance/kaldi/kaldi_compatibility_cpu_test.py::TestKaldiFloat32::test_fbank_00 - KeyError: 'foo\n\nTo execute this tes
 │ │ │ t, run the following from the base repo dir:\n     python test/run/etc/conda/test-files/torchaudio/1/test/torchaudio_unittest/compliance/kaldi/kaldi_comp
 │ │ │ atibility_cpu_test.py -k TestKaldiFloat32.test_fbank_00\n\nThis message can be suppressed by setting PYTORCH_PRINT_REPRO_ON_FAILURE=0'
 │ │ │ FAILED test/torchaudio_unittest/compliance/kaldi/kaldi_compatibility_cpu_test.py::TestKaldiFloat32::test_fbank_01 - KeyError: 'foo\n\nTo execute this tes
 │ │ │ t, run the following from the base repo dir:\n     python test/run/etc/conda/test-files/torchaudio/1/test/torchaudio_unittest/compliance/kaldi/kaldi_comp
 │ │ │ atibility_cpu_test.py -k TestKaldiFloat32.test_fbank_01\n\nThis message can be suppressed by setting PYTORCH_PRINT_REPRO_ON_FAILURE=0'
 │ │ │ FAILED [...]

And various other places where long lines get wrapped. This makes the logs very hard to read (compared to having all the test names nicely aligned, for example), so if not the default (my preference), then there should at least be an option to disable line wrapping.

[wolfv]

Yeah I would argue though that on a terminal at home (that also does wrapping) that we have ugly empty lines on the left hand side. So it loooks like:

 │ │ │ FAILED test/torchaudio_unittest/compliance/kaldi/kaldi_compatibility_cpu_test.py::TestKaldiFloat32::test_fbank_00 - KeyError: 'foo\n\nTo execute this tes
t, run the following from the base repo dir:\n     python test/run/etc/conda/test-files/torchaudio/1/test/torchaudio_unittest/compliance/kaldi/kaldi_comp
atibility_cpu_test.py -k TestKaldiFloat32.test_fbank_00\n\nThis message can be suppressed by setting PYTORCH_PRINT_REPRO_ON_FAILURE=0'
 │ │ │ FAILED test/torchaudio_unittest/compliance/kaldi/kaldi_compatibility_cpu_test.py::TestKaldiFloat32::test_fbank_01 - KeyError: 'foo\n\nTo execute this tes

But I agree that it's annoying in CI so we can definitely automatically disable it there.