MAGETWO-62262: Truncation of year when saved without changes

- Updated datepicker.test.js to fix L1 build issues

Author: abarua17

dev/tests/js/jasmine/tests/app/code/Magento/Ui/base/js/lib/ko/bind/datepicker.test.js

@@ -51,7 +51,7 @@ define([
 
             todayDate   = moment().format(momentFormat);
 
-            result = $('input').val();
+            result = $('input:last').val();
 
             expect(todayDate).toEqual(result);
         });