clean(code): clean warnings

.travis.yml

@@ -51,7 +51,7 @@ script:
   # - if [ "$TRAVIS_OS_NAME" == 'linux' ];  then WECHATY_LOG=silly    npm run test:phantomjs;   fi
   - if [ "$TRAVIS_OS_NAME" == 'linux' ];  then WECHATY_LOG=silly    npm run test:chrome;      fi
   - if [ "$TRAVIS_OS_NAME" == 'osx' ];    then WECHATY_LOG=verbose  npm run nycava;           fi
-  - npm run test:npm && echo 'Npm packing is passed the test and ready for publish'
+  - npm run test:npm && echo 'Npm packing test is passed'
 
 notifications:
   webhooks:

package.json

@@ -40,7 +40,7 @@
     "testdev": "cross-env LC_ALL=C WECHATY_LOG=silly ava --ext ts --serial --verbose --fail-fast --timeout=2m",
     "testdist": "cross-env WECHATY_LOG=SILLY WECHATY_HEAD=chrome ava --ext ts --verbose --fail-fast --timeout=2m",
     "test:pack": "npm run dist && rm -fr package wechaty-*.*.*.tgz && npm pack --verbose  && tar zxvf wechaty-*.*.*.tgz",
-    "test:npm": "export TMPDIR=/tmp/wechaty.$$ && npm pack && mkdir $TMPDIR && mv wechaty-*.*.*.tgz $TMPDIR && cp example/smoke-testing.js $TMPDIR && cd $TMPDIR && npm i wechaty-*.*.*.tgz && node smoke-testing.js",
+    "test:npm": "export TMPDIR=/tmp/wechaty.$$ && npm pack && mkdir $TMPDIR && mv wechaty-*.*.*.tgz $TMPDIR && cp example/smoke-testing.js $TMPDIR && cd $TMPDIR && npm init -y && npm i wechaty-*.*.*.tgz && node smoke-testing.js",
     "io-client": "ts-node bin/io-client",
     "dev": "ts-node dev.ts",
     "demo": "ts-node example/ding-dong-bot.ts",

test/puppet-web/browser.spec.ts

@@ -5,17 +5,17 @@
  * https://github.com/wechaty/wechaty
  *
  */
-import * as fs from 'fs'
+import * as fs  from 'fs'
 import { test } from 'ava'
 
 import {
   Config,
   log,
-} from '../../'
+}               from '../../'
 
 import {
-    Browser,
-} from '../../src/puppet-web/'
+  Browser,
+}               from '../../src/puppet-web/'
 
 const PROFILE = Config.DEFAULT_PROFILE + '-' + process.pid + '-'
 let profileCounter = 1
@@ -88,7 +88,7 @@ test('Cookie smoking test', async t => {
 })
 
 test('Cookie save/load', async t => {
-  const profileName = PROFILE + profileCounter++ + 'wechaty.json'
+  const profileName = PROFILE + (profileCounter++)
 
   let browser = new Browser({
       head: Config.head,