diff --git a/arkindex/process/tests/test_create_process.py b/arkindex/process/tests/test_create_process.py
index 576b4f45f0384bf6907c239fdfc238dabd4eb42b..0180f4e557791fc8c52ca9e7e7983703b6774221 100644
--- a/arkindex/process/tests/test_create_process.py
+++ b/arkindex/process/tests/test_create_process.py
@@ -116,15 +116,11 @@ class TestCreateProcess(FixtureAPITestCase):
             "element_name_contains": None,
         })
 
-        process.worker_runs.create(
-            version=self.version_1
-        )
-
         # The process needs to be started to produce a workflow
         response = self.client.post(
             reverse("api:process-start", kwargs={"pk": str(process.id)}),
             # The process needs a worker run or thumbnails generation to start
-            {"worker_activity": "true"}
+            {}
         )
         self.assertEqual(response.status_code, status.HTTP_201_CREATED)
         process.refresh_from_db()
@@ -491,14 +487,10 @@ class TestCreateProcess(FixtureAPITestCase):
         self.assertEqual(process.elements.get(), page)
 
         # The process needs to be started to produce a workflow
-        process.worker_runs.create(
-            version=self.version_1
-        )
-
         response = self.client.post(
             reverse("api:process-start", kwargs={"pk": str(process.id)}),
             # The process needs a worker run or thumbnails generation to start
-            {"worker_activity": "true"}
+            {}
         )
         self.assertEqual(response.status_code, status.HTTP_201_CREATED)
         process.refresh_from_db()