Re-add async-test-helpers require

Author: rafeca

spec/results-model-spec.js

@@ -3,6 +3,7 @@
 const path = require("path");
 const ResultsModel = require("../lib/project/results-model");
 const FindOptions = require("../lib/find-options");
+const {beforeEach, it, fit, ffit, fffit} = require('./async-spec-helpers')
 
 describe("ResultsModel", () => {
   let editor, resultsModel, reporterSpy;