code: function getJobName(browserCap) {
    var browserName = getBrowserName(browserCap);
  
    return process.env.TRAVIS_PULL_REQUEST == 'false' ?
        'CO-' + process.env.TRAVIS_BRANCH + '-' + browserName :
        'PR-' + process.env.TRAVIS_PULL_REQUEST + '-' + browserName + '-' +
            process.env.TRAVIS_BRANCH;
  }
docs: Returns the travis job name for the given capability object.
  @param {!Object} browserCap
  @return {string}