diff --git a/tests/conftest.py b/tests/conftest.py
index 322ef9d6483a0d27344a070fa2f0fb6a11542ec8..922fc3e24766768d343bd05a7baca3bd279a7994 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -202,6 +202,18 @@ def mock_user_api(responses):
     )
 
 
+@pytest.fixture
+def mock_activity_calls(responses):
+    """
+    Mock responses when updating the activity state for multiple element of the same version
+    """
+    responses.add(
+        responses.PUT,
+        "http://testserver/api/v1/workers/versions/12341234-1234-1234-1234-123412341234/activity/",
+        status=200,
+    )
+
+
 @pytest.fixture
 def mock_elements_worker(monkeypatch, mock_config_api):
     """Build and configure an ElementsWorker with fixed CLI parameters to avoid issues with pytest"""
diff --git a/tests/test_elements_worker/test_worker.py b/tests/test_elements_worker/test_worker.py
index ca52c53a6217403857104e81802b4a418a8623af..1d5b491b259ea011cd6075145720339c1ba0b3cc 100644
--- a/tests/test_elements_worker/test_worker.py
+++ b/tests/test_elements_worker/test_worker.py
@@ -169,7 +169,12 @@ def test_update_call(responses, mock_elements_worker, mock_process_api):
     ],
 )
 def test_run(
-    monkeypatch, mock_elements_worker, responses, process_exception, final_state
+    monkeypatch,
+    mock_elements_worker,
+    responses,
+    process_exception,
+    final_state,
+    mock_activity_calls,
 ):
     """Check the normal runtime sends 2 API calls to update activity"""
     # Disable second configure call from run()
@@ -193,29 +198,6 @@ def test_run(
             "name": "Test Page n°1",
         },
     )
-
-    # Mock Update activity
-    responses.add(
-        responses.PUT,
-        "http://testserver/api/v1/workers/versions/12341234-1234-1234-1234-123412341234/activity/",
-        status=200,
-        json={
-            "element_id": "1234-deadbeef",
-            "process_id": "aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeffff",
-            "state": "started",
-        },
-    )
-    responses.add(
-        responses.PUT,
-        "http://testserver/api/v1/workers/versions/12341234-1234-1234-1234-123412341234/activity/",
-        status=200,
-        json={
-            "element_id": "1234-deadbeef",
-            "process_id": "aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeffff",
-            "state": final_state,
-        },
-    )
-
     assert mock_elements_worker.is_read_only is False
 
     # Mock exception in process_element
@@ -262,7 +244,7 @@ def test_run(
 
 
 def test_run_cache(
-    monkeypatch, mocker, mock_elements_worker_with_cache, mock_cached_elements
+    monkeypatch, mocker, mock_elements_worker_with_cache, mock_cached_elements, mock_activity_calls,
 ):
     # Disable second configure call from run()
     monkeypatch.setattr(mock_elements_worker_with_cache, "configure", lambda: None)