Adding vendor api tests

tests/integration/api/v1/vendor/README.md

@@ -0,0 +1,36 @@
+# Vendor API Integration Tests
+
+## Documentation
+
+For comprehensive vendor API testing documentation, please see:
+
+**[Vendor API Testing Guide](https://yourusername.github.io/wizamart/testing/vendor-api-testing/)** in MkDocs
+
+## Quick Start
+
+```bash
+# Run all vendor tests
+pytest tests/integration/api/v1/vendor/ -v
+
+# Run with coverage
+pytest tests/integration/api/v1/vendor/ \
+  --cov=app/api/v1/vendor \
+  --cov-report=html
+```
+
+## Test Files
+
+- `test_authentication.py` - Authentication tests (30+ tests)
+- `test_dashboard.py` - Dashboard stats tests (12 tests)
+
+## Fixtures
+
+Key fixtures for vendor testing:
+
+- `vendor_user_headers` - Authentication headers for vendor API
+- `test_vendor_with_vendor_user` - Vendor with VendorUser association
+
+## See Also
+
+- [Vendor API Testing Guide](https://yourusername.github.io/wizamart/testing/vendor-api-testing/) - Full documentation
+- [Test Structure](https://yourusername.github.io/wizamart/testing/test-structure/) - Overall test organization