Fix warning from pytest and increase pretty_print coverage

[ChristianZaccaria]

Issue link

Issue: https://issues.redhat.com/browse/RHOAIENG-4471

What changes have been made

• Warning when running pytest unit tests. This is due to having an unknown option in the pyproject.toml file, such as timeout.
• Increase pretty_print coverage from 97% to 100%
  

Verification steps

0. pip install coverage - if required
1. Run the SDK: pip install -e .
2. coverage run -m --source=src pytest -v tests/unit_test.py
3. No warnings should be in the output.
4. Run coverage html
5. The html link will show the full coverage report.

Checks

• I've made sure the tests are passing.
• Testing Strategy
  • Unit tests
  • Manual tests
  • Testing is not required for this change

[Fiona-Waters]

Was able to run successfully.
/lgtm

[Bobbins228]

Ran through works as expected nice work!
/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Bobbins228

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