text: var test = require('tap').test;
  var browserify = require('browserify');
  
  var vm = require('vm');
  var fs = require('fs');
  var path = require('path');
  
  var html = fs.readFileSync(__dirname + '/files/robot.html', 'utf8');
  
  test('path.join single var', function (t) {
      t.plan(1);
  
      var b = browserify();
      b.add(__dirname + '/files/path_join_single_var.js');
      b.transform(path.dirname(__dirname));
  
      b.bundle(function (err, src) {
          if (err) t.fail(err);
          vm.runInNewContext(src, {console: {log: log}});
      });
  
      function log(msg) {
          t.equal(html, msg);
      }
  });
  