Mobile Testing Testing guide for React Native applications. When to Use - Writing unit tests for components or utilities - Creating integration tests for features - Setting up test infrastructure - Debugging test failures - Improving test coverage Test Setup Component Test Template Hook Test Template Utility Test Template Mocking Patterns Mock External Module Mock Database Mock Navigation Running Tests Best Practices 1. Test Behavior, Not Implementation : Test what users see and do 2. Use for Selection : More reliable than text matching 3. Mock External Dependencies : Keep tests isolated and…