Bump pytest from 5.4.3 to 6.2.2

Bumps [pytest](https://github.com/pytest-dev/pytest) from 5.4.3 to 6.2.2.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@5.4.3...6.2.2)

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

test-requirements.txt

@@ -1,4 +1,4 @@
-pytest==5.4.3 --hash=sha256:5c0db86b698e8f170ba4582a492248919255fcd4c79b1ee64ace34301fb589a1
+pytest==6.2.2 --hash=sha256:b574b57423e818210672e07ca1fa90aaf194a4f63f3ab909a2c67ebb22913839 --hash=sha256:9d1edf9e7d0b84d72ea3dbcdfd22b35fb543a5e8f2a60092dd578936bf63d7f9
 mock==4.0.3 --hash=sha256:122fcb64ee37cfad5b3f48d7a7d51875d7031aaf3d8be7c42e2bee25044eee62 --hash=sha256:7d3fbbde18228f4ff2f1f119a45cdffa458b4c0dee32eb4d2bb2f82554bac7bc
 importlib-metadata==1.6.1 --hash=sha256:15ec6c0fd909e893e3a08b3a7c76ecb149122fb14b7efe1199ddd4c7c57ea958
 more-itertools==8.3.0 --hash=sha256:7818f596b1e87be009031c7653d01acc46ed422e6656b394b0f765ce66ed4982