Use jsdom test env

jest.config.js

@@ -6,21 +6,14 @@ module.exports = {
   coverageDirectory: 'coverage',
 
   // An array of regexp pattern strings used to skip coverage collection
-  coveragePathIgnorePatterns: [
-    '/node_modules/',
-    '/test/',
-  ],
+  coveragePathIgnorePatterns: ['/node_modules/', '/test/'],
 
   // A list of reporter names that Jest uses when writing coverage reports
-  coverageReporters: [
-    'text',
-    'lcov',
-  ],
+  coverageReporters: ['text', 'lcov'],
 
   // An array of regexp pattern strings that are matched against all test paths,
   // matched tests are skipped
-  testPathIgnorePatterns: [
-    '<rootDir>/gulp/',
-    '/node_modules/',
-  ],
+  testPathIgnorePatterns: ['<rootDir>/gulp/', '/node_modules/'],
+
+  testEnvironment: 'jsdom',
 };