add test coverage - Githubissues

Reference issues/PRs

Types of changes

[ ] Bug fix (non-breaking change which fixes an issue)
[x] New feature (non-breaking change which adds functionality)
[ ] Breaking change (fix or feature that would cause existing functionality to change)

Description

Screenshots (if appropriate)

Any other comments?

Checklist

[x] I have read the guidelines for contributing.
[x] My code follows the code style of this project. I used flake8 to check my Python changes.
[ ] My change requires a change to the documentation.
[ ] I have updated the documentation accordingly.
[x] I have added tests to cover my changes.
[x] All new and existing tests passed. I used pytest to check this on Python tests.

giotto-ai / giotto-deep