mod/quiz/tests/quiz_question_restore_test.php

diff --git a/mod/quiz/tests/quiz_question_restore_test.php b/mod/quiz/tests/quiz_question_restore_test.php
index c84f838f82c..0825e210d55 100644
--- a/mod/quiz/tests/quiz_question_restore_test.php
+++ b/mod/quiz/tests/quiz_question_restore_test.php
@@ -16,9 +16,6 @@

 namespace mod_quiz;

-use backup_quiz_activity_structure_step;
-use restore_quiz_activity_structure_step;
-
 defined('MOODLE_INTERNAL') || die();

 global $CFG;
@@ -35,8 +32,8 @@ require_once($CFG->dirroot . '/mod/quiz/locallib.php');
  * @author     Safat Shahin <safatshahin@catalyst-au.net>
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  * @coversDefaultClass \mod_quiz\question\bank\qbank_helper
- * @coversDefaultClass backup_quiz_activity_structure_step
- * @coversDefaultClass restore_quiz_activity_structure_step
+ * @coversDefaultClass \backup_quiz_activity_structure_step
+ * @coversDefaultClass \restore_quiz_activity_structure_step
  */
 class quiz_question_restore_test extends \advanced_testcase {
     use \quiz_question_helper_test_trait;
@@ -124,6 +121,8 @@ class quiz_question_restore_test extends \advanced_testcase {

     /**
      * Test if a duplicate does not duplicate questions in course question bank.
+     *
+     * @covers ::duplicate_module
      */
     public function test_quiz_duplicate_does_not_duplicate_course_question_bank_questions() {
         $this->resetAfterTest();
@@ -144,6 +143,8 @@ class quiz_question_restore_test extends \advanced_testcase {

     /**
      * Test quiz duplicate for quiz question bank.
+     *
+     * @covers ::duplicate_module
      */
     public function test_quiz_duplicate_for_quiz_question_bank_questions() {
         $this->resetAfterTest();