For specs run with the protractor binary, move the singleton grabber

inside a beforeEach block. This may help #14

Author: juliemr

example/onProtractor.js

@@ -3,9 +3,11 @@ var protractor = require('../lib/protractor.js');
 
 
 describe('angularjs homepage', function() {
-  var ptor = protractor.getInstance();
+  var ptor;
 
   it('should greet using binding', function(done) {
+    ptor = protractor.getInstance();
+
     ptor.get('http://www.angularjs.org');
 
     ptor.findElement(protractor.By.input("yourName")).sendKeys("Julie");

spec/testAppSpec.js

@@ -19,9 +19,10 @@ it = function(desc, testFn, timeout) {
 }
 
 describe('test application', function() {
-  var ptor = protractor.getInstance();
-
+  var ptor;
   describe('finding elements in forms', function() {
+    ptor = protractor.getInstance();
+
     beforeEach(function() {
       ptor.get('app/index.html#/form');
     });