--- a/toolkit/components/places/tests/bookmarks/test_nsINavBookmarkObserver.js
+++ b/toolkit/components/places/tests/bookmarks/test_nsINavBookmarkObserver.js
@@ -507,43 +507,43 @@ add_task(async function onItemRemoved_fo
           { name: "dateAdded", check: v => typeof(v) == "number" && v > 0 },
           { name: "guid", check: v => typeof(v) == "string" && PlacesUtils.isValidGuid(v) },
           { name: "parentGuid", check: v => typeof(v) == "string" && PlacesUtils.isValidGuid(v) },
           { name: "source", check: v => Object.values(PlacesUtils.bookmarks.SOURCES).includes(v) },
         ] },
       { name: "onItemAdded",
         args: [
           { name: "itemId", check: v => typeof(v) == "number" && v > 0 },
-          { name: "parentId", check: v => v === PlacesUtils.bookmarks.getIdForItemAt(PlacesUtils.unfiledBookmarksFolderId, 0) },
+          { name: "parentId", check: v => typeof(v) == "number" && v > 0 },
           { name: "index", check: v => v === 0 },
           { name: "itemType", check: v => v === PlacesUtils.bookmarks.TYPE_BOOKMARK },
           { name: "uri", check: v => v instanceof Ci.nsIURI && v.equals(uri) },
           { name: "title", check: v => v === BMTITLE },
           { name: "dateAdded", check: v => typeof(v) == "number" && v > 0 },
           { name: "guid", check: v => typeof(v) == "string" && PlacesUtils.isValidGuid(v) },
           { name: "parentGuid", check: v => typeof(v) == "string" && PlacesUtils.isValidGuid(v) },
           { name: "source", check: v => Object.values(PlacesUtils.bookmarks.SOURCES).includes(v) },
         ] },
       { name: "onItemAdded",
         args: [
           { name: "itemId", check: v => typeof(v) == "number" && v > 0 },
-          { name: "parentId", check: v => v === PlacesUtils.bookmarks.getIdForItemAt(PlacesUtils.unfiledBookmarksFolderId, 0) },
+          { name: "parentId", check: v => typeof(v) == "number" && v > 0 },
           { name: "index", check: v => v === 1 },
           { name: "itemType", check: v => v === PlacesUtils.bookmarks.TYPE_FOLDER },
           { name: "uri", check: v => v === null },
           { name: "title", check: v => v === title },
           { name: "dateAdded", check: v => typeof(v) == "number" && v > 0 },
           { name: "guid", check: v => typeof(v) == "string" && PlacesUtils.isValidGuid(v) },
           { name: "parentGuid", check: v => typeof(v) == "string" && PlacesUtils.isValidGuid(v) },
           { name: "source", check: v => Object.values(PlacesUtils.bookmarks.SOURCES).includes(v) },
         ] },
       { name: "onItemAdded",
         args: [
           { name: "itemId", check: v => typeof(v) == "number" && v > 0 },
-          { name: "parentId", check: v => v === PlacesUtils.bookmarks.getIdForItemAt(PlacesUtils.bookmarks.getIdForItemAt(PlacesUtils.unfiledBookmarksFolderId, 0), 1) },
+          { name: "parentId", check: v => typeof(v) == "number" && v > 0 },
           { name: "index", check: v => v === 0 },
           { name: "itemType", check: v => v === PlacesUtils.bookmarks.TYPE_BOOKMARK },
           { name: "uri", check: v => v instanceof Ci.nsIURI && v.equals(uri) },
           { name: "title", check: v => v === BMTITLE },
           { name: "dateAdded", check: v => typeof(v) == "number" && v > 0 },
           { name: "guid", check: v => typeof(v) == "string" && PlacesUtils.isValidGuid(v) },
           { name: "parentGuid", check: v => typeof(v) == "string" && PlacesUtils.isValidGuid(v) },
           { name: "source", check: v => Object.values(PlacesUtils.bookmarks.SOURCES).includes(v) },