ci inside docker should not treat as a wechaty-docker env

package.json

@@ -82,6 +82,7 @@
     "chromedriver": "^2.23.1",
     "co": "^4.6.0",
     "express": "^4.13.4",
+    "is-ci": "^1.0.9",
     "phantomjs-prebuilt": "^2.1.12",
     "ps-tree": "^1.0.1",
     "retry-promise": "^1.0.0",

src/config.js

 /**
  * Wechaty - Wechaty for Bot, Connect ChatBots, Chat as a Service
- * 
+ *
  * https://github.com/wechaty/wechaty/
  */
 const { execSync } = require('child_process')
@@ -47,13 +47,17 @@ Object.assign(Config, {
  * 4. Envioronment Identify
  */
 Object.assign(Config, {
-  isDocker:   isInsideDocker()
+  isDocker:   isWechatyDocker()
 })
 
-function isInsideDocker() {
-  const cgroup = '/proc/1/cgroup'
+function isWechatyDocker() {
+  const isCi = require('is-ci')
+  if (isCi) {
+    return false
+  }
 
-  try { accessSync(cgroup, F_OK) } 
+  const cgroup = '/proc/1/cgroup'
+  try { accessSync(cgroup, F_OK) }
   catch (e) { return false }
 
   const line = execSync(`head -1 ${cgroup}`)