2.4: pytest warning

まだ誰も着手していません。

```console
+ /usr/bin/pytest -ra
=========================================================================== test session starts ============================================================================
platform linux -- Python 3.8.12, pytest-6.2.5, py-1.10.0, pluggy-0.13.1
benchmark: 3.4.1 (defaults: timer=time.perf_counter disable_gc=False min_rounds=5 min_time=0.000005 max_time=1.0 calibration_precision=10 warmup=False warmup_iterations=100000)
Using --randomly-seed=661925073
rootdir: /home/tkloczko/rpmbuild/BUILD/contextvars-2.4, configfile: pytest.ini, testpaths: tests
plugins: forked-1.3.0, shutil-1.7.0, virtualenv-1.7.0, expect-1.1.0, flake8-1.0.7, timeout-1.4.2, betamax-0.8.1, freezegun-0.4.2, aspectlib-1.5.2, toolbox-0.5, rerunfailures-9.1.1, requests-mock-1.9.3, cov-2.12.1, flaky-3.7.0, benchmark-3.4.1, xdist-2.3.0, pylama-7.7.1, datadir-1.3.1, regressions-2.2.0, cases-3.6.3, xprocess-0.18.1, black-0.3.12, anyio-3.3.0, asyncio-0.15.1, trio-0.7.0, subtests-0.5.0, isort-2.0.0, hypothesis-6.14.6, mock-3.6.1, profiling-1.7.0, randomly-3.8.0, Faker-8.12.1, nose2pytest-1.0.8, pyfakefs-4.5.1, tornado-0.8.1, twisted-1.13.3
collected 21 items

tests/test_basics.py .....................

============================================================================= warnings summary =============================================================================
../../../../../usr/lib/python3.8/site-packages/_pytest/config/__init__.py:1183
/usr/lib/python3.8/site-packages/_pytest/config/__init__.py:1183: PytestDeprecationWarning: The --strict option is deprecated, use --strict-markers instead.
self.issue_config_time_warning(

-- Docs: https://docs.pytest.org/en/stable/warnings.html
====================================================================== 21 passed, 1 warning in 0.54s =======================================================================
pytest-xprocess reminder::Be sure to terminate the started process by running 'pytest --xkill' if you have not explicitly done so in your fixture with 'xprocess.getinfo().terminate()'.
```
And here it tis the fix:
```patch
--- a/pytest.ini~ 2019-04-01 15:41:13.000000000 +0100
+++ b/pytest.ini 2021-09-04 10:22:39.096735323 +0100
@@ -1,4 +1,4 @@
[pytest]
-addopts = --capture=no --assert=plain --strict --tb native
+addopts = --capture=no --assert=plain --strict-markers --tb native
testpaths = tests
filterwarnings = default
```

警告は pytest の実行中に報告され、関連する設定は pytest.ini にあります。まず /usr/bin/pytest -ra を実行して再現してください。警告と issue で提案されている変更を踏まえて addopts 設定を確認し、その後 21 個のテストを再実行してください。非推奨のオプションに関する警告なしでテストが成功すれば完了です。

索引モデルが issue の本文から書いたものです。