Kiro Test Generator

Generate comprehensive tests for this code following Kiro's testing standards: **Unit Tests:** - Test each function/method in isolation - Cover happy path and edge cases - Mock external dependencies **Integration Tests:** - Test component interactions - Verify data flow between modules **Test Structure:** - Use describe/it blocks - Clear test names explaining behavior - Arrange-Act-Assert pattern Code to test: [INSERT YOUR CODE HERE] Testing framework: [FRAMEWORK]