diff --git a/tests/test_results/complement/test_results.jsonl b/tests/test_results/complement/test_results.jsonl
index 0f342cc4..ff695bb7 100644
--- a/tests/test_results/complement/test_results.jsonl
+++ b/tests/test_results/complement/test_results.jsonl
@@ -64,6 +64,7 @@
 {"Action":"pass","Test":"TestFederationRoomsInvite/Parallel/Invited_user_can_reject_invite_over_federation_several_times"}
 {"Action":"pass","Test":"TestFederationRoomsInvite/Parallel/Invited_user_has_'is_direct'_flag_in_prev_content_after_joining"}
 {"Action":"pass","Test":"TestFederationRoomsInvite/Parallel/Remote_invited_user_can_see_room_metadata"}
+{"Action":"pass","Test":"TestFederationThumbnail"}
 {"Action":"fail","Test":"TestGetMissingEventsGapFilling"}
 {"Action":"fail","Test":"TestInboundCanReturnMissingEvents"}
 {"Action":"fail","Test":"TestInboundCanReturnMissingEvents/Inbound_federation_can_return_missing_events_for_invited_visibility"}