New review comment by ahesford on void-packages repository

https://github.com/void-linux/void-packages/pull/31121#discussion_r641785436

Comment:
Doing tests the right way causes python to abort in this case, which is why we want tests that actually run against the stuff we build rather than whatever wheels pip downloads.
```
Fatal Python error: Aborted

Current thread 0x00007fee655f7740 (most recent call first):
  File "/builddir/retext-7.2.1/tests/test_editor.py", line 33 in <module>
  File "/usr/lib/python3.9/site-packages/_pytest/assertion/rewrite.py", line 170 in exec_module
  File "<frozen importlib._bootstrap>", line 680 in _load_unlocked
  File "<frozen importlib._bootstrap>", line 986 in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 1007 in _find_and_load
  File "<frozen importlib._bootstrap>", line 1030 in _gcd_import
  File "/usr/lib/python3.9/importlib/__init__.py", line 127 in import_module
  File "/usr/lib/python3.9/site-packages/_pytest/pathlib.py", line 524 in import_path
  File "/usr/lib/python3.9/site-packages/_pytest/python.py", line 578 in _importtestmodule
  File "/usr/lib/python3.9/site-packages/_pytest/python.py", line 500 in _getobj
  File "/usr/lib/python3.9/site-packages/_pytest/python.py", line 291 in obj
  File "/usr/lib/python3.9/site-packages/_pytest/python.py", line 516 in _inject_setup_module_fixture
  File "/usr/lib/python3.9/site-packages/_pytest/python.py", line 503 in collect
  File "/usr/lib/python3.9/site-packages/_pytest/runner.py", line 341 in <lambda>
  File "/usr/lib/python3.9/site-packages/_pytest/runner.py", line 311 in from_call
  File "/usr/lib/python3.9/site-packages/_pytest/runner.py", line 341 in pytest_make_collect_report
  File "/usr/lib/python3.9/site-packages/pluggy/callers.py", line 187 in _multicall
  File "/usr/lib/python3.9/site-packages/pluggy/manager.py", line 84 in <lambda>
  File "/usr/lib/python3.9/site-packages/pluggy/manager.py", line 93 in _hookexec
  File "/usr/lib/python3.9/site-packages/pluggy/hooks.py", line 286 in __call__
  File "/usr/lib/python3.9/site-packages/_pytest/runner.py", line 458 in collect_one_node
  File "/usr/lib/python3.9/site-packages/_pytest/main.py", line 808 in genitems
  File "/usr/lib/python3.9/site-packages/_pytest/main.py", line 811 in genitems
  File "/usr/lib/python3.9/site-packages/_pytest/main.py", line 634 in perform_collect
  File "/usr/lib/python3.9/site-packages/_pytest/main.py", line 333 in pytest_collection
  File "/usr/lib/python3.9/site-packages/pluggy/callers.py", line 187 in _multicall
  File "/usr/lib/python3.9/site-packages/pluggy/manager.py", line 84 in <lambda>
  File "/usr/lib/python3.9/site-packages/pluggy/manager.py", line 93 in _hookexec
  File "/usr/lib/python3.9/site-packages/pluggy/hooks.py", line 286 in __call__
  File "/usr/lib/python3.9/site-packages/_pytest/main.py", line 322 in _main
  File "/usr/lib/python3.9/site-packages/_pytest/main.py", line 269 in wrap_session
  File "/usr/lib/python3.9/site-packages/_pytest/main.py", line 316 in pytest_cmdline_main
  File "/usr/lib/python3.9/site-packages/pluggy/callers.py", line 187 in _multicall
  File "/usr/lib/python3.9/site-packages/pluggy/manager.py", line 84 in <lambda>
  File "/usr/lib/python3.9/site-packages/pluggy/manager.py", line 93 in _hookexec
  File "/usr/lib/python3.9/site-packages/pluggy/hooks.py", line 286 in __call__
  File "/usr/lib/python3.9/site-packages/_pytest/config/__init__.py", line 162 in main
  File "/usr/lib/python3.9/site-packages/_pytest/config/__init__.py", line 185 in console_main
  File "/usr/bin/pytest", line 33 in <module>
/void-packages/srcpkgs/ReText/template: line 19: 25691 Aborted                 QT_QPA_PLATFORM=offsreen PYTHONPATH="$(cd build/lib* && pwd)" pytest tests
```