SIENTIAPDE-1205

Refactor tests for async compatibility and enhance IngestorManager functionality

- Updated test cases in `test_app.py`, `test_ingestor.py`, and `test_ingestor_manager.py` to use async/await syntax for improved concurrency.
- Refactored methods in IngestorManager and related classes to support asynchronous operations, ensuring non-blocking behavior during execution.
- Enhanced mock setups in tests to accommodate async methods, improving test reliability and performance.

ingestor/managers/ingestor_manager.py

@@ -96,7 +96,6 @@ class IngestorManager(BaseActivity):
             manager.config = server_config
             await manager.connect()
         except Exception as e:
-
             trace = traceback.format_exc()
             self.send_notification(
                 metadata=self.metadata,