Changes for executing Python Tests

[adityashahms]

Task name: AzureTestPlanV0

Description: Changes to the way we are collecting test cases present for execution and modifying the FQN accordingly for execution in Python flow of the task.
Changes involves

• Adding -q params to pytest --collect-only cmdlet, to print only FQN in the console
• Helper function to map JUnit styled FQN to pytest styled FQN for execution
• Debug logs to print the tests to be executed and tests to be run

Documentation changes required: (Y/N) N

Added unit tests: (Y/N) N

Attached related issue: (Y/N) N

Checklist:

• Task version was bumped - please check instruction how to do it
• Checked that applied changes work as expected

Copilot reviewed 10 out of 10 changed files in this pull request and generated no suggestions.

[KathanS]

LGTM