solve eslint warnings for double quotes

Author: myst729

template/test/e2e/nightwatch.conf.js

@@ -3,43 +3,43 @@ var config = require('../../config')
 
 // http://nightwatchjs.org/guide#settings-file
 module.exports = {
-  "src_folders": ["test/e2e/specs"],
-  "output_folder": "test/e2e/reports",
-  "custom_assertions_path": ["test/e2e/custom-assertions"],
+  'src_folders': ['test/e2e/specs'],
+  'output_folder': 'test/e2e/reports',
+  'custom_assertions_path': ['test/e2e/custom-assertions'],
 
-  "selenium": {
-    "start_process": true,
-    "server_path": "node_modules/selenium-server/lib/runner/selenium-server-standalone-2.53.1.jar",
-    "host": "127.0.0.1",
-    "port": 4444,
-    "cli_args": {
-      "webdriver.chrome.driver": require('chromedriver').path
+  'selenium': {
+    'start_process': true,
+    'server_path': 'node_modules/selenium-server/lib/runner/selenium-server-standalone-2.53.1.jar',
+    'host': '127.0.0.1',
+    'port': 4444,
+    'cli_args': {
+      'webdriver.chrome.driver': require('chromedriver').path
     }
   },
 
-  "test_settings": {
-    "default": {
-      "selenium_port": 4444,
-      "selenium_host": "localhost",
-      "silent": true,
-      "globals": {
-        "devServerURL": "http://localhost:" + (process.env.PORT || config.dev.port)
+  'test_settings': {
+    'default': {
+      'selenium_port': 4444,
+      'selenium_host': 'localhost',
+      'silent': true,
+      'globals': {
+        'devServerURL': 'http://localhost:' + (process.env.PORT || config.dev.port)
       }
     },
 
-    "chrome": {
-      "desiredCapabilities": {
-        "browserName": "chrome",
-        "javascriptEnabled": true,
-        "acceptSslCerts": true
+    'chrome': {
+      'desiredCapabilities': {
+        'browserName': 'chrome',
+        'javascriptEnabled': true,
+        'acceptSslCerts': true
       }
     },
 
-    "firefox": {
-      "desiredCapabilities": {
-        "browserName": "firefox",
-        "javascriptEnabled": true,
-        "acceptSslCerts": true
+    'firefox': {
+      'desiredCapabilities': {
+        'browserName': 'firefox',
+        'javascriptEnabled': true,
+        'acceptSslCerts': true
       }
     }
   }