Add tests for docker image

[joepio]

Todo:

• [ ] Make sure the docker container runs and the tests succeed! Currently it does not recognize the tag.

PR Checklist:

• [x] Link to related issues: closes #606
• [ ] Add changelog entry linking to issue, describe API changes
• [ ] Add tests (optional)
• [ ] (If new feature) add to description / readme

[codecov-commenter]

Codecov Report

Merging #621 (1582475) into develop (10de059) will not change coverage. The diff coverage is n/a.

:exclamation: Current head 1582475 differs from pull request most recent head 22aded4. Consider uploading reports for the commit 22aded4 to get more accurate results

@@           Coverage Diff            @@
##           develop     #621   +/-   ##
========================================
  Coverage    65.42%   65.42%           
========================================
  Files           72       72           
  Lines         8026     8026           
========================================
  Hits          5251     5251           
  Misses        2775     2775           

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