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Testing Patterns and Utilities Testing Philosophy Test Driven Development (TDD): Write failing test FIRST Implement minimal code to pass Refactor after green Never write production code without a failing test Behavior Driven Testing: Test behavior, not implementation Focus on public APIs and business requirements Avoid testing implementation details Use descriptive test names that describe behavior Factory Pattern: Create getMockX(overrides?: Partial<X ) functions Provide sensible defaults Allow overriding specific properties Keep tests DRY and maintainable Test Utilities Custom Render Function Create a custom render that wraps components with required providers: Usage: Factory Pattern Compo…