docs(tutorial/step-07): update path to pages in e2e scenarios

The url paths in the tutorial are not in line with the actual tutorial code

Closes angular#5264

Author: juwalter

docs/content/tutorial/step_07.ngdoc

@@ -258,15 +258,15 @@ to various URLs and verify that the correct view was rendered.
 <pre>
 ...
   it('should redirect index.html to index.html#/phones', function() {
-    browser().navigateTo('../../app/index.html');
+    browser().navigateTo('app/index.html');
     expect(browser().location().url()).toBe('/phones');
   });
 ...
 
  describe('Phone detail view', function() {
 
     beforeEach(function() {
-      browser().navigateTo('../../app/index.html#/phones/nexus-s');
+      browser().navigateTo('app/index.html#/phones/nexus-s');
     });