Related to #775

Add a recording smoke test to ensure the recording functionality works as expected.

• New Test File: Add tests/openadapt/test_record.py.
• Setup and Teardown: Use pytest fixtures to set up and tear down the test environment.
• Recording Test:
  • Call openadapt.record and wait for the recording.started signal.
  • Stop the recording by emitting the stop sequence.
  • Assert the state of the database to ensure the recording is created.
  • Assert the state of the filesystem to ensure the video and performance plots are created.

/claim #775