TPI: Python testing using new EOT token UNITTEST

[eleanorjboyd]

Refs: #21876

• macOS @meganrogge
• linux @rebornix
• windows @bhavyaus

Complexity: 4

Author: @eleanorjboyd

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Thank you for doing this testing! I apologize for how long it is and please let me know if you have any questions!

1. Setup:

   1. Clone the test repo from here or use your own repo of pytests.
   2. Launch VSCode and open the inc_dec_example_repo/inc_dec_example_test_suite testing repo folder.
   3. Add the following to your settings in VSCode: "python.experiments.optInto": ["pythonTestAdapter"],
   4. Use the "create environment" command from the command palette, select venv and a Python version >=3.7.
   5. In the terminal, run python -m pip install pytest.
   6. From the command palette, run "python: configure tests", select unittest and then "." (root directory) and then *_test for the test pattern.

2. General:

   1. Run the tests and then cancel the test run. Check that there are no spinning icons indicating unresolved actions.
   2. Debug the tests, then cancel. Again, ensure no spinning icons appear. You should try canceling using both the stop button in the test explorer panel and in the debug controller.
   3. Execute a large number of tests to ensure that the test run completes (see the subtest folder)
   4. Verify that test run and logging function correctly by referring to test_logging.py. Ensure that ALL the expected output gets printed. Compare the output in VSCode with what you get when running unittest directly from the command line for the test_logging file.
   5. Run a test that has a segmentation fault, make sure it resolves correctly and displays a helpful message.

[meganrogge]

couldn't verify the segfault one because tests have stopped working for me since I reloaded the window.

Overall, works well 👏🏼