Add support for chai.should.

Author: mattcollier

lib/helper.js

@@ -7,9 +7,17 @@ var chaiAsPromised = require('chai-as-promised');
 var util = require('util');
 var _ = require('underscore');
 
+var should = GLOBAL.should = chai.should();
 chai.use(chaiAsPromised);
+
 GLOBAL.expect = chai.expect;
 
+Object.defineProperty(
+  protractor.promise.Promise.prototype,
+  'should',
+  Object.getOwnPropertyDescriptor(Object.prototype, 'should')
+);
+
 var browser = GLOBAL.browser;
 var by = GLOBAL.by;