Bump pytest from 6.1.1 to 6.1.2

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.1.1 to 6.1.2.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.1.1...6.1.2)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

requirements-tests.txt

@@ -1,6 +1,6 @@
 -r requirements.txt
 attrs==20.2.0
-pytest==6.1.1
+pytest==6.1.2
 pytest-cov==2.10.1
 mock==2.0.0
 flake8==3.8.4