- Created detailed test suite for Home Assistant WebSocket client
- Implemented tests for WebSocket connection, authentication, and error handling
- Added comprehensive test coverage for HassInstanceImpl API methods
- Mocked WebSocket and fetch to simulate various connection scenarios
- Covered authentication, state retrieval, service calls, and environment configuration
- Improved test infrastructure for Home Assistant integration
- Refactored Jest configuration for improved ESM and TypeScript support
- Updated `jest.setup.ts` with comprehensive test environment configuration
- Enhanced mocking for WebSocket, console, and external dependencies
- Adjusted package.json dependencies and scripts
- Updated tsconfig.json with decorator and test exclusion settings
- Improved test coverage configuration and reporting
- Simplified test file structure and mocking strategies
- Created `.env.test.example` with test environment variables
- Updated `jest.config.cjs` to simplify configuration and improve test setup
- Added `jest.setup.ts` to load and configure test environment variables
- Updated test files to use dynamic test environment configuration
- Enhanced README.md with additional configuration details for testing
