SIENTIAPDE-1182

Add test for handling cases with no receiver groups in Alerts workflow

- Implemented a new test case to verify the behavior of the Alerts workflow when no receiver groups are provided, ensuring that the workflow executes correctly without unnecessary processing.

tests/orchestrator/workflows/test_alerts.py

@@ -117,6 +117,22 @@ async def test_run_no_data(workflow_mock, alerts):
     workflow_mock.execute_local_activity_method.assert_not_called()
 
 
+@mark.asyncio
+@patch("orchestrator.workflows.alerts.workflow", new_callable=AsyncMock)
+async def test_run_no_receiver_groups(workflow_mock, alerts):
+    workflow_mock.execute_local_activity_method.return_value = {}
+
+    input_data = {
+        'schedule_name': 'test-schedule-name',
+        'notification_ttl': 300,
+        'sent_ttl': 600
+    }
+
+    await alerts.run(input_data)
+
+    assert workflow_mock.execute_child_workflow.call_count == 1
+
+
 @mark.asyncio
 @patch("orchestrator.workflows.alerts.workflow", new_callable=AsyncMock)
 async def test_run_no_log_report(workflow_mock, alerts):