Test Maintenance

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Avoiding brittle tests by testing behavior, not implementation. Tests coupled to implementation details break when code is refactored, creating maintenance burden. Good tests survive refactoring and only break when behavior changes.

Key Properties

• Behavior-Focused Tests
• Refactoring Resilience
• Test Deduplication

Related

• What to Test (test the right things)
• Mocks (over-mocking causes brittleness)

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testing test-maintenance