fix expire field in list account sessions api

app/controllers/api/account.php

@@ -1389,6 +1389,7 @@ App::get('/v1/account/sessions')
 
             $session->setAttribute('countryName', $countryName);
             $session->setAttribute('current', ($current == $session->getId()) ? true : false);
+            $session->setAttribute('expire', DateTime::addSeconds(new \DateTime($session->getCreatedAt()), $authDuration));
 
             $sessions[$key] = $session;
         }

tests/e2e/Services/Account/AccountBase.php

@@ -308,6 +308,8 @@ trait AccountBase
 
         $this->assertEquals(true, $response['body']['sessions'][0]['current']);
 
+        $this->assertEquals(true, $response['body']['sessions'][0]['expire']);
+
         /**
          * Test for FAILURE
          */