Update pytest to 5.4.3

[pyup-bot]

This PR updates pytest from 5.4.2 to 5.4.3.

The bot wasn't able to find a changelog for this release. Got an idea?

Links

• PyPI: https://pypi.org/project/pytest
• Homepage: https://docs.pytest.org/en/latest/

[codecov]

Codecov Report

Merging #355 into develop will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop     #355   +/-   ##
========================================
  Coverage    81.34%   81.34%           
========================================
  Files           72       72           
  Lines         2776     2776           
========================================
  Hits          2258     2258           
  Misses         518      518           

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