Specifying the travis build number

Author: elicwhite

test/index.js

@@ -24,6 +24,7 @@ if (config.localBrowser) {
     port: 80,
     user: process.env.SAUCE_USERNAME,
     key: process.env.SAUCE_ACCESS_KEY,
+    'tunnel-identifier': process.env.TRAVIS_JOB_NUMBER,
     desiredCapabilities: {
       'browser': config.browser,
       'version': config.browserVersion,