ActivityPubTest: Make test easier to understand.

test/web/activity_pub/activity_pub_test.exs

@@ -1656,6 +1656,16 @@ test "filtering out announces where the user is the actor of the announced messa
       {:ok, _announce} = CommonAPI.repeat(post.id, third_user)
       {:ok, announce} = CommonAPI.repeat(other_post.id, other_user)
 
+      params = %{
+        type: ["Announce"]
+      }
+
+      results =
+        [user.ap_id | User.following(user)]
+        |> ActivityPub.fetch_activities(params)
+
+      assert length(results) == 3
+
       params = %{
         type: ["Announce"],
         announce_filtering_user: user