- Add proper Tests\ namespace to all test classes in tests/Feature and tests/Unit
- Split RemainingModelsTest.php into separate files (PSR-4 compliance)
- Create missing factories: MetaFactory, RemoteEmailFactory
- Add HasFactory trait to RemoteEmail model
- Add missing ReflectionClass imports to test files
- Fix mass assignment issues in Meta and RemoteEmail models
- Override database connection for RemoteEmail in testing environment
- Fix DateTime comparison precision issues in tests
