Mocking methods in pkgcloud

mock.js

var EventEmitter2 = require('eventemitter2').EventEmitter2;

var client = {
  upload: function(options, callback) {
    var stream = new EventEmitter2({
      wildcard: false,
      delimiter: '::', 
      newListener: false, 
      maxListeners: 20
    });
    
    return stream;
    
    callback();
    
    // emit the end event after returning the stream to the caller
    setTimeout(function() {
      stream.emit('end');
    }, 15);
  }
}