Add parameter setting before tests

[1Blademaster]

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[Copilot]

Pull request overview

This PR adds parameter initialization setup to test files to ensure consistent test conditions. The changes include creating a new set_params helper function with robust retry logic and adding session-scoped fixtures to multiple test files to configure drone parameters before tests run.

• Introduced set_params helper function with exponential backoff retry logic for setting drone parameters
• Added session-scoped setup fixtures to 5 test files (test_rc, test_params, test_gripper, test_frames, test_flightMode) to initialize parameters
• Updated test assertions and parameter values to match the new initialized state
• Simplified the test_flightMode cleanup fixture to use pymavlink directly

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
radio/tests/helpers.py	Added set_params function with retry logic and error handling for setting drone parameters
radio/tests/test_rc.py	Added setup fixture to initialize RC parameters and updated test assertions to match new parameter values
radio/tests/test_params.py	Added setup fixture to initialize test parameter and changed test parameter name from RC_11MAX to RANDOM_ERR_PARAM
radio/tests/test_gripper.py	Added setup fixture to enable gripper parameter before tests
radio/tests/test_frames.py	Added setup fixture to initialize frame type and class parameters
radio/tests/test_flightMode.py	Added setup fixture for flight mode parameters, removed unused import, and simplified cleanup fixture
docs/DEVELOPMENT_GUIDE.md	Added documentation for pytest -x flag to stop on first failure

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[Kwash67]

LGTM