Fix Test Coverage Reporting

[GunalKupta]

What

Follow-up from #1887 implementation. Fixes bugs in the build pipeline.

• Revert tox changes
• Reuse the existing source-package-verification.sh script to run coverage tests instead of tox

Checklist

• Contains customer facing changes? Including API/behavior changes
• Did you add sufficient unit test and/or integration test coverage for this PR?
  • If not, please explain why it is not required
  • No code changes

References

JIRA: DGS-16859

Test & Review

Open questions / Follow-ups

[confluent-cla-assistant]

🎉 All Contributor License Agreements have been signed. Ready to merge.
_{Please push an empty commit if you would like to re-run the checks to verify CLA status for all contributors.}

[sonarqube-confluent]

Analysis Details

0 Issues

• 0 Bugs
• 0 Vulnerabilities
• 0 Code Smells

Coverage and Duplications

• No coverage information (61.00% Estimated after merge)
• No duplication information (0.80% Estimated after merge)

Project ID: confluent-kafka-python

View in SonarQube

[rayokota]

LGTM