--- a/browser/components/places/tests/browser/browser_bookmarksProperties.js
+++ b/browser/components/places/tests/browser/browser_bookmarksProperties.js
@@ -208,19 +208,19 @@ gTests.push({
             self.window.document.documentElement.cancelDialog();
             break;
           case "popupshown":
             tagsField.popup.removeEventListener("popupshown", this, true);
             // In case this test fails the window will close, the test will fail
             // since we didn't set _cleanShutdown.
             let richlistbox = tagsField.popup.richlistbox;
             // Focus and select first result.
-            Assert.ok(richlistbox.itemCount, 1, "We have 1 autocomplete result");
+            Assert.equal(richlistbox.itemCount, 1, "We have 1 autocomplete result");
             tagsField.popup.selectedIndex = 0;
-            Assert.ok(richlistbox.selectedItems.length, 1,
+            Assert.equal(richlistbox.selectedItems.length, 1,
                "We have selected a tag from the autocomplete popup");
             info("About to focus the autocomplete results");
             richlistbox.focus();
             EventUtils.synthesizeKey("VK_ESCAPE", {}, self.window);
             break;
           default:
             Assert.ok(false, "unknown event: " + aEvent.type);
         }

--- a/toolkit/components/places/tests/bookmarks/test_405938_restore_queries.js
+++ b/toolkit/components/places/tests/bookmarks/test_405938_restore_queries.js
@@ -132,17 +132,17 @@ var test = {
           dateAdded: new Date(date + ((this._extraBookmarksCount - i) * 1000)),
         });
       }
     }
 
     var toolbar =
       PlacesUtils.getFolderContents(PlacesUtils.toolbarFolderId,
                                     false, true).root;
-    Assert.ok(toolbar.childCount, 1);
+    Assert.equal(toolbar.childCount, 1);
 
     var folderNode = toolbar.getChild(0);
     Assert.equal(folderNode.type, folderNode.RESULT_TYPE_FOLDER);
     Assert.equal(folderNode.title, this._testRootTitle);
     folderNode.QueryInterface(Ci.nsINavHistoryQueryResultNode);
     folderNode.containerOpen = true;
 
     // |_count| folders + the query nodes

--- a/toolkit/components/places/tests/bookmarks/test_424958-json-quoted-folders.js
+++ b/toolkit/components/places/tests/bookmarks/test_424958-json-quoted-folders.js
@@ -38,17 +38,17 @@ var quotesTest = {
     var query = PlacesUtils.history.getNewQuery();
     query.setFolders([PlacesUtils.bookmarks.toolbarFolder], 1);
     var result = PlacesUtils.history.executeQuery(query, PlacesUtils.history.getNewQueryOptions());
 
     var toolbar = result.root;
     toolbar.containerOpen = true;
 
     // test for our quoted folder
-    Assert.ok(toolbar.childCount, 1);
+    Assert.equal(toolbar.childCount, 1);
     var folderNode = toolbar.getChild(0);
     Assert.equal(folderNode.type, folderNode.RESULT_TYPE_FOLDER);
     Assert.equal(folderNode.title, this._folderTitle);
 
     // clean up
     toolbar.containerOpen = false;
   }
 };

--- a/toolkit/components/places/tests/unit/test_async_transactions.js
+++ b/toolkit/components/places/tests/unit/test_async_transactions.js
@@ -239,17 +239,17 @@ function ensureAnnotationsSet(aGuid, aAn
     Assert.ok(changes.has(anno.name));
     let changeInfo = changes.get(anno.name);
     Assert.ok(changeInfo.isAnnoProperty);
     Assert.equal(changeInfo.newValue, anno.value);
   }
 }
 
 function ensureItemsMoved(...items) {
-  Assert.ok(observer.itemsMoved.size, items.length);
+  Assert.equal(observer.itemsMoved.size, items.length);
   for (let item of items) {
     Assert.ok(observer.itemsMoved.has(item.guid));
     let info = observer.itemsMoved.get(item.guid);
     Assert.equal(info.oldParentGuid, item.oldParentGuid);
     Assert.equal(info.oldIndex, item.oldIndex);
     Assert.equal(info.newParentGuid, item.newParentGuid);
     Assert.equal(info.newIndex, item.newIndex);
   }