Remove pathlib2 from requirements (#17435)
Remove pathlib2 from requirements (#17435)

* Bump pathlib2 from 2.3.5 to 2.3.6 in /requirements

Bumps [pathlib2](https://github.com/mcmtroffaes/pathlib2) from 2.3.5 to 2.3.6.
- [Release notes](https://github.com/mcmtroffaes/pathlib2/releases)
- [Changelog](https://github.com/mcmtroffaes/pathlib2/blob/develop/CHANGELOG.rst)
- [Commits](https://github.com/mcmtroffaes/pathlib2/compare/2.3.5...2.3.6)

---
updated-dependencies:
- dependency-name: pathlib2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

* Update tests.txt

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
Co-authored-by: Mathieu Pillard <1a1afed15bd20621b193981c8fb98a63a31b9425@users.noreply.github.com>
mozilla/addons-server,wagnerand/addons-server,diox/olympia,mozilla/olympia,wagnerand/addons-server,mozilla/olympia,mozilla/addons-server,diox/olympia,mozilla/olympia,mozilla/olympia,wagnerand/addons-server,mozilla/addons-server,diox/olympia,mozilla/addons-server,wagnerand/addons-server,diox/olympia