Merge #93

93: Update pytest to 5.1.3 r=rehandalal a=pyup-bot


This PR updates [pytest](https://pypi.org/project/pytest) from **5.1.2** to **5.1.3**.



<details>
  <summary>Changelog</summary>
  
  
   ### 5.1.3
   ```
   =========================

Bug Fixes
---------

- `5807 &lt;https://github.com/pytest-dev/pytest/issues/5807&gt;`_: Fix pypy3.6 (nightly) on windows.


- `5811 &lt;https://github.com/pytest-dev/pytest/issues/5811&gt;`_: Handle ``--fulltrace`` correctly with ``pytest.raises``.


- `5819 &lt;https://github.com/pytest-dev/pytest/issues/5819&gt;`_: Windows: Fix regression with conftest whose qualified name contains uppercase
  characters (introduced by 5792).
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/pytest
  - Changelog: https://pyup.io/changelogs/pytest/
  - Homepage: https://docs.pytest.org/en/latest/
</details>



Co-authored-by: pyup-bot <github-bot@pyup.io>

requirements-dev.txt

@@ -1,3 +1,3 @@
 -r requirements.txt
-pytest==5.1.2
+pytest==5.1.3
 pytest-cov==2.7.1