diff --git a/calendar/tests/privacy/provider_test.php b/calendar/tests/privacy/provider_test.php
index 0d4b57a908a..12f8ac248cf 100644
--- a/calendar/tests/privacy/provider_test.php
+++ b/calendar/tests/privacy/provider_test.php
@@ -42,6 +42,7 @@ use core_privacy\local\request\approved_userlist;
  *
  * @copyright  2018 Zig Tan <zig@moodle.com>
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @covers \core_calendar\privacy\provider
  */
 class provider_test extends provider_testcase {
 
diff --git a/grade/tests/privacy/provider_test.php b/grade/tests/privacy/provider_test.php
index 58990e2c20e..27c3ea8a280 100644
--- a/grade/tests/privacy/provider_test.php
+++ b/grade/tests/privacy/provider_test.php
@@ -44,6 +44,7 @@ require_once($CFG->libdir . '/gradelib.php');
  * @copyright  2018 Frédéric Massart
  * @author     Frédéric Massart <fred@branchup.tech>
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @covers \core_grades\privacy\provider
  */
 class provider_test extends provider_testcase {
 
diff --git a/mod/quiz/tests/privacy/provider_test.php b/mod/quiz/tests/privacy/provider_test.php
index 559ea67d732..742cb6c6726 100644
--- a/mod/quiz/tests/privacy/provider_test.php
+++ b/mod/quiz/tests/privacy/provider_test.php
@@ -41,6 +41,7 @@ require_once($CFG->dirroot . '/question/tests/privacy_helper.php');
  * @package    mod_quiz
  * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @covers \mod_quiz\privacy\provider
  */
 class provider_test extends \core_privacy\tests\provider_testcase {
 
diff --git a/notes/tests/privacy/provider_test.php b/notes/tests/privacy/provider_test.php
index e56079bc4f3..632e0ba7f9f 100644
--- a/notes/tests/privacy/provider_test.php
+++ b/notes/tests/privacy/provider_test.php
@@ -39,6 +39,7 @@ use core_privacy\local\request\approved_userlist;
  *
  * @copyright  2018 Zig Tan <zig@moodle.com>
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @covers \core_notes\privacy\provider
  */
 class provider_test extends \core_privacy\tests\provider_testcase {