Convert other globals to exported functions

test/content/gear.js

@@ -1,6 +1,11 @@
-import {tree as allGear} from '../../common/script/src/content/gear';
+import {
+  expectValidTranslationString,
+  describeEachItem
+} from '../helpers/content.helper';
 import {each} from 'lodash';
 
+import {tree as allGear} from '../../common/script/src/content/gear';
+
 describe('Gear', () => {
   each(allGear, (piece, type) => {
     describeEachItem(type, piece, (set, key) => {