test: fix SecurityError: localStorage is not available for opaque origins

ref: jestjs/jest#6769

Author: ulivz

test/jest.config.js

@@ -6,6 +6,7 @@ const path = require('path')
 module.exports = {
   rootDir: path.resolve(__dirname, '..'),
   verbose: true,
+  testURL: 'http://localhost/',
   moduleFileExtensions: [
     'js',
     'vue'