[KIP-932]: Create testing framework for KIP-932

[PratRanj07]

This PR intends to create a testing framework for KIP-932 to test various scenarios on KIP-932 on:

• Verify subscribe/unsubscribe is working
• ShareConsumer is correctly consuming for:
  1. Single Consumer Single Topic Single Partition
  2. Multiple Consumer Single Topic Single Partition
  3. Single Consumer Multiple Topics Single Partition
  4. Single Consumer Multiple Topics Multiple Partition
  5. Multiple Consumers Single Topic Multiple Partitions
  6. Multiple Consumers Multiple Topics Multiple Consumers

[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.}