fixed babel setup

.babelrc

@@ -1,4 +1,8 @@
 {
     "presets": ["es2015", "stage-0"],
-    "plugins": ["transform-async-to-generator"]
+    "plugins": [
+        "syntax-async-functions",
+        "transform-regenerator",
+        "transform-runtime"
+    ]
 }

.travis.yml

@@ -16,6 +16,13 @@ before_script:
 
 script: "sleep 5 && npm run test-snyk && npm run test"
 
+addons:
+  apt:
+    sources:
+      - ubuntu-toolchain-r-test
+    packages:
+      - g++-4.8
+
 # after_script:
 #   - "[ -d ./coverage ] && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage"
 
@@ -24,6 +31,7 @@ addons:
 
 env:
   global:
+    - CXX: g++-4.8
     - pm_config_engine_strict: false
     - secure: f6+NU5WBW9GPLRV2WhtCozPOjFOAdh52hXfr0dZopxl0eqJ426fl5UCt54duUQV/abBpNEKzBm2015EsBP14wepNJ9+Q6nRwrj/h2PvI3UM8vEPqgH08hqiS7kFszA0Wy+Ki3umncQbA5WAgq6grmZs9naELWmOX5Yum40Wl9/0=
     - secure: dMTVz/kDqs+qBMqB6CZEHrvSYIkqxCTa0fnVPNH1vyiJ02a66yQrZhdxH6PrZjk8iYW8CAh8mLjrYlaOAPG6UL3gjecYVCegyMKIU3GI6CgBYOQOaU4xo2ypK7COqHkRYPJ+G5fyQfcZrB97iccpC1CUy88R0pGq/sb3teKTV7w=

gruntfile.js

@@ -8,12 +8,17 @@ module.exports = function (grunt) {
         report: ['lcov', 'html'],
         excludes: ['**/scripts/**', '**/gruntfile.js'],
         verbose: true,
-        mochaOptions: ['--compilers', 'js:babel-register', '--recursive', '-t', '120000', '--reporter', 'spec']
+        mochaOptions: [
+            '--compilers', 'js:babel-register',
+            '--recursive',
+            '--timeout', '120000',
+            '--reporter', 'dot'
+        ]
     }
 
     var mochaOpts = {
         reporter: 'spec',
-        require: ['babel-register', 'babel-polyfill'],
+        require: ['babel-register'],
         grep: argv.grep,
         invert: argv.invert,
         bail: argv.bail,

package.json

@@ -58,9 +58,9 @@
     "babel-cli": "^6.10.1",
     "babel-core": "^6.10.4",
     "babel-eslint": "^6.1.2",
-    "babel-plugin-transform-async-to-generator": "^6.8.0",
+    "babel-plugin-syntax-async-functions": "^6.8.0",
+    "babel-plugin-transform-regenerator": "^6.9.0",
     "babel-plugin-transform-runtime": "^6.9.0",
-    "babel-polyfill": "^6.9.1",
     "babel-preset-es2015": "^6.9.0",
     "babel-preset-stage-0": "^6.5.0",
     "babel-register": "^6.9.0",

test/fixtures/custom.error.promise.wdio.conf.js

@@ -22,8 +22,8 @@ exports.config = {
     },
     onError: function (e) {
         browser.lastError = e
-        return new Promise(function (r) {
-            setTimeout(r, 2000)
+        return new Promise(function (resolve) {
+            setTimeout(resolve, 2000)
         })
     }
 }

test/fixtures/waitUntil.conf.js

@@ -1,5 +1,4 @@
 var path = require('path')
-
 var chai = require('chai')
 
 exports.config = {