Apply updates from cookiecutter

This automated commit applies the latest updates from our cookiecutters [1] to
this repo.

[1]: https://github.com/hypothesis/cookiecutters

tox.ini

@@ -57,7 +57,7 @@ commands =
     lint: pylint --rcfile=tests/pyproject.toml tests
     lint: pydocstyle src tests bin
     lint: pycodestyle src tests bin
-    tests: python -m pytest --cov --cov-report= --cov-fail-under=0 --failed-first --new-first --no-header --quiet {posargs:tests/unit/}
+    tests: python -m pytest --cov --cov-report= --cov-fail-under=0 {posargs:tests/unit/}
     functests: python -m pytest --failed-first --new-first --no-header --quiet {posargs:tests/functional/}
     coverage: coverage combine
     coverage: coverage report