build(deps-dev): Bump pytest from 5.1.1 to 5.1.2 in /backend (#139)

dependabot-preview[bot] · marco-c · commit d60c31efbcea · 2019-09-02T19:56:47.000+02:00
Bump [pytest](https://github.com/pytest-dev/pytest) from 5.1.1 to 5.1.2. - [Release notes](https://github.com/pytest-dev/pytest/releases) - [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst) - [Commits](pytest-dev/pytest@5.1.1...5.1.2)
diff --git a/backend/requirements-dev.txt b/backend/requirements-dev.txt
@@ -1,4 +1,4 @@
 fakeredis==1.0.4
 pre-commit==1.18.3
-pytest==5.1.1
+pytest==5.1.2
 responses==0.10.6
