CRM-20987, fixed unit test

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* CRM-20987: Add transaction date field to listings of transactions
  https://issues.civicrm.org/jira/browse/CRM-20987

tests/phpunit/CRM/Financial/Page/AjaxTest.php

@@ -50,7 +50,7 @@ public function testGetFinancialTransactionsList() {
     $json = CRM_Financial_Page_AJAX::getFinancialTransactionsList();
     $json = str_replace(rtrim(CIVICRM_UF_BASEURL, '/'), 'http://FIX ME', $json);
     $this->assertEquals($json, '{"sEcho": 1, "iTotalRecords": 1, "iTotalDisplayRecords": 1, "aaData": [ ["","<a href=\"/index.php?q=civicrm/profile/view&amp;reset=1&amp;gid=7&amp;id=3&amp;snippet=4\" class=\"crm-summary-link\"><div'
-    . ' class=\"icon crm-icon Individual-icon\"></div></a>","<a href=/index.php?q=civicrm/contact/view&amp;reset=1&amp;cid=3>Anderson, Anthony</a>","$ 100.00","12345","' . CRM_Utils_Date::customFormat(date('Ymd')) . ' 12:00 AM",'
+    . ' class=\"icon crm-icon Individual-icon\"></div></a>","<a href=/index.php?q=civicrm/contact/view&amp;reset=1&amp;cid=3>Anderson, Anthony</a>","$ 100.00","12345","' . CRM_Utils_Date::customFormat(date('Ymd')) . ' 12:00 AM","' . CRM_Utils_Date::customFormat(date('Ymd')) . ' 12:00 AM",'
     . '"Credit Card","Completed","Donation","<span><a href=\"/index.php?q=civicrm/contact/view/contribution&amp;reset=1&amp;id=1&amp;cid=3&amp;action=view&amp;context=contribution&amp;'
     . 'selectedChild=contribute\" class=\"action-item crm-hover-button\" title=\'View Contribution\' >View</a></span>"]] }');
   }