diff --git a/swh/journal/tests/test_pytest_plugin.py b/swh/journal/tests/test_pytest_plugin.py
--- a/swh/journal/tests/test_pytest_plugin.py
+++ b/swh/journal/tests/test_pytest_plugin.py
@@ -55,6 +55,7 @@
         "object_types": {
             "content",
             "directory",
+            "extid",
             "metadata_authority",
             "metadata_fetcher",
             "origin",