Port init elements code

Closes #2 (closed)

tests/test_activity.py

@@ -10,6 +10,8 @@ def test_activity_state_awaiting(mock_worker, monkeypatch):
     """
     Init task must wait until the backend has initialized worker activities for this process
     """
+    mock_worker.process_information["activity_state"] = "pending"
+
     sleep_args = iter([2, 4, 8])
 
     def mock_sleep(seconds) -> None:
@@ -59,6 +61,7 @@ def test_activity_state_awaiting(mock_worker, monkeypatch):
         ],
     )
 
+    assert not mock_worker.api_client.responses
 
 def test_activity_state_timeout(mock_worker, caplog, monkeypatch):
     """