diff --git a/tests/storage/test_event_push_actions.py b/tests/storage/test_event_push_actions.py
index 4bff451171c1..d3825cfd3db7 100644
--- a/tests/storage/test_event_push_actions.py
+++ b/tests/storage/test_event_push_actions.py
@@ -16,6 +16,7 @@
 
 from twisted.test.proto_helpers import MemoryReactor
 
+from synapse.api.constants import RelationTypes
 from synapse.rest import admin
 from synapse.rest.client import login, room
 from synapse.server import HomeServer
@@ -65,16 +66,23 @@ def test_get_unread_push_actions_for_user_in_range(self) -> None:
         user_id, token, _, other_token, room_id = self._create_users_and_room()
 
         # Create two events, one of which is a highlight.
-        self.helper.send_event(
+        first_event_id = self.helper.send_event(
             room_id,
             type="m.room.message",
             content={"msgtype": "m.text", "body": "msg"},
             tok=other_token,
-        )
-        event_id = self.helper.send_event(
+        )["event_id"]
+        second_event_id = self.helper.send_event(
             room_id,
             type="m.room.message",
-            content={"msgtype": "m.text", "body": user_id},
+            content={
+                "msgtype": "m.text",
+                "body": user_id,
+                "m.relates_to": {
+                    "rel_type": RelationTypes.THREAD,
+                    "event_id": first_event_id,
+                },
+            },
             tok=other_token,
         )["event_id"]
 
@@ -94,13 +102,13 @@ def test_get_unread_push_actions_for_user_in_range(self) -> None:
         )
         self.assertEqual(2, len(email_actions))
 
-        # Send a receipt, which should clear any actions.
+        # Send a receipt, which should clear the first action.
         self.get_success(
             self.store.insert_receipt(
                 room_id,
                 "m.read",
                 user_id=user_id,
-                event_ids=[event_id],
+                event_ids=[first_event_id],
                 thread_id=None,
                 data={},
             )
@@ -110,6 +118,30 @@ def test_get_unread_push_actions_for_user_in_range(self) -> None:
                 user_id, 0, 1000, 20
             )
         )
+        self.assertEqual(1, len(http_actions))
+        email_actions = self.get_success(
+            self.store.get_unread_push_actions_for_user_in_range_for_email(
+                user_id, 0, 1000, 20
+            )
+        )
+        self.assertEqual(1, len(email_actions))
+
+        # Send a thread receipt to clear the thread action.
+        self.get_success(
+            self.store.insert_receipt(
+                room_id,
+                "m.read",
+                user_id=user_id,
+                event_ids=[second_event_id],
+                thread_id=first_event_id,
+                data={},
+            )
+        )
+        http_actions = self.get_success(
+            self.store.get_unread_push_actions_for_user_in_range_for_http(
+                user_id, 0, 1000, 20
+            )
+        )
         self.assertEqual([], http_actions)
         email_actions = self.get_success(
             self.store.get_unread_push_actions_for_user_in_range_for_email(