[ACQE-4691] Added missed property

Author: Keerthana81187

dev/tests/integration/testsuite/Magento/User/Model/UserExpirationTest.php

@@ -42,6 +42,11 @@ class UserExpirationTest extends TestCase
      */
     private $userExpiration;
 
+    /**
+     * @var UserExpirationFactory
+     */
+    private $userExpirationFactory;
+
     /**
      * @inheritdoc
      * @throws LocalizedException