test: remove unused spec/expect-helpers (#35055)

spec/chromium-spec.js

@@ -7,7 +7,6 @@ const url = require('url');
 const ChildProcess = require('child_process');
 const { ipcRenderer } = require('electron');
 const { emittedOnce, waitForEvent } = require('./events-helpers');
-const { resolveGetters } = require('./expect-helpers');
 const { ifit, ifdescribe, delay } = require('./spec-helpers');
 const features = process._linkedBinding('electron_common_features');
 

spec/expect-helpers.js

@@ -1,18 +0,0 @@
-function resolveSingleObjectGetters (object) {
-  if (object && typeof object === 'object') {
-    const newObject = {};
-    for (const key in object) { // eslint-disable-line guard-for-in
-      newObject[key] = resolveGetters(object[key])[0];
-    }
-    return newObject;
-  }
-  return object;
-}
-
-function resolveGetters (...args) {
-  return args.map(resolveSingleObjectGetters);
-}
-
-module.exports = {
-  resolveGetters
-};