Update README with comprehensive test suite information

README.md

@@ -131,6 +131,8 @@ See [docs/CONFIGURATION.md](docs/CONFIGURATION.md) for all options.
 
 ## Running Tests
 
+The project includes a comprehensive test suite with **581 tests** and **91.24% average coverage**:
+
 ```bash
 # Run all tests
 conda run -n AniWorld python -m pytest tests/ -v
@@ -140,8 +142,19 @@ conda run -n AniWorld python -m pytest tests/unit/ -v
 
 # Run integration tests
 conda run -n AniWorld python -m pytest tests/integration/ -v
+
+# Run with coverage report
+conda run -n AniWorld python -m pytest tests/ --cov --cov-report=html
 ```
 
+**Test Coverage:**
+- ✅ 581 tests across 11 test suites
+- ✅ 91.24% average code coverage
+- ✅ Unit tests: Security, Notifications, Database, NFO, Cache, Error Tracking, Settings
+- ✅ Integration tests: End-to-end workflows, API endpoints, Download flows
+
+See [TESTING_SUMMARY.md](TESTING_SUMMARY.md) for detailed testing documentation.
+
 ## Technology Stack
 
 - **Web Framework**: FastAPI 0.104.1