Bump pytest-selenium from 1.13.0 to 1.14.0

Bumps [pytest-selenium](https://github.com/pytest-dev/pytest-selenium) from 1.13.0 to 1.14.0.
- [Release notes](https://github.com/pytest-dev/pytest-selenium/releases)
- [Changelog](https://github.com/pytest-dev/pytest-selenium/blob/master/docs/news.rst)
- [Commits](pytest-dev/pytest-selenium@v1.13.0...v1.14.0)

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

Pipfile

@@ -18,4 +18,4 @@ flake8-docstrings = "==1.3.0"
 flake8-isort = "==2.5"
 pytest = "==3.7.1"
 pytest-cov = "==2.6.0"
-pytest-selenium = "==1.13.0"
+pytest-selenium = "==1.14.0"