Stabilize pytest flaky fixture repair
Medium Python arena: fixtures, parametrization, monkeypatching, and deterministic tests
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Missing prerequisites: python-easy-pytest-debug
A test suite sometimes passes locally and fails in CI because state leaks between tests. You are working inside a Python service repository, and the arena only clears when the result is safe, deterministic, and explainable.
Learn to apply fixtures, parametrization, monkeypatching, and deterministic tests in a Python service repository while explaining the invariant, safety constraints, and hidden edge cases.
- Demonstrates fixtures, parametrization, monkeypatching, and deterministic tests
- Handles the visible sample and hidden edge cases
- Keeps output deterministic and explainable
- Avoids unsafe dynamic execution
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