test/fixtures/subscriber_details.json in createsend-5.1.1 vs test/fixtures/subscriber_details.json in createsend-6.0.0

@@ -1,8 +1,9 @@
 {
   "EmailAddress": "[e-mail]",
   "Name": "Subscriber One",
   "Date": "2010-10-25 10:28:00",
+  "ListJoinedDate": "2010-10-25 10:28:00",
   "State": "Active",
   "CustomFields": [
     {
       "Key": "website",
       "Value": "http://example.com"
\ No newline at end of file