diff --git a/enrol/lti/tests/local/ltiadvantage/task/sync_grades_test.php b/enrol/lti/tests/local/ltiadvantage/task/sync_grades_test.php
index 76cabc0184d..88e01c9dfd3 100644
--- a/enrol/lti/tests/local/ltiadvantage/task/sync_grades_test.php
+++ b/enrol/lti/tests/local/ltiadvantage/task/sync_grades_test.php
@@ -412,6 +412,35 @@ class sync_grades_test extends \lti_advantage_testcase {
         $task->execute();
     }
 
+    /**
+     * Test syncing grades when the enrolment instance is disabled.
+     *
+     * @covers ::execute
+     */
+    public function test_sync_grades_disabled_instance() {
+        $this->resetAfterTest();
+        global $DB;
+
+        [$course, $resource, $resource2, $resource3] = $this->create_test_environment();
+
+        // Disable resource 1.
+        $enrol = (object) ['id' => $resource->enrolid, 'status' => ENROL_INSTANCE_DISABLED];
+        $DB->update_record('enrol', $enrol);
+
+        // Delete the activity being shared by resource 2, leaving resource 2 disabled as a result.
+        $modcontext = \context::instance_by_id($resource2->contextid);
+        course_delete_module($modcontext->instanceid);
+
+        // Only the enabled resource 3 should sync grades.
+        $task = $this->get_task_with_mocked_grade_service();
+        $this->expectOutputRegex(
+            "/^Starting - LTI Advantage grade sync for shared resource '$resource3->id' in course '$course->id'.\n".
+            "Completed - Synced grades for tool '$resource3->id' in the course '$course->id'. Processed 0 users; ".
+            "sent 0 grades.\n$/"
+        );
+        $task->execute();
+    }
+
     /**
      * Test the grade sync when the context has been deleted in between launch and when the grade sync task is run.
      *
@@ -432,7 +461,7 @@ class sync_grades_test extends \lti_advantage_testcase {
         // Delete the activity, then enable the enrolment method (it is disabled during activity deletion).
         $modcontext = \context::instance_by_id($resource->contextid);
         course_delete_module($modcontext->instanceid);
-        $enrol = ['id' => $resource->enrolid, 'status' => ENROL_INSTANCE_ENABLED];
+        $enrol = (object) ['id' => $resource->enrolid, 'status' => ENROL_INSTANCE_ENABLED];
         $DB->update_record('enrol', $enrol);
 
         $task = $this->get_task_with_mocked_grade_service();
diff --git a/enrol/lti/tests/local/ltiadvantage/task/sync_members_test.php b/enrol/lti/tests/local/ltiadvantage/task/sync_members_test.php
index 7a2c3d3044c..ec265de1b91 100644
--- a/enrol/lti/tests/local/ltiadvantage/task/sync_members_test.php
+++ b/enrol/lti/tests/local/ltiadvantage/task/sync_members_test.php
@@ -609,6 +609,38 @@ class sync_members_test extends \lti_advantage_testcase {
         $this->assertCount(1, $userrepo->find_by_resource($resource->id));
     }
 
+    /**
+     * Test syncing members when the enrolment instance is disabled.
+     *
+     * @covers ::execute
+     */
+    public function test_sync_members_disabled_instance() {
+        $this->resetAfterTest();
+        global $DB;
+
+        [$course, $resource, $resource2, $resource3] = $this->create_test_environment();
+        $userrepo = new user_repository();
+
+        // Disable resource 1.
+        $enrol = (object) ['id' => $resource->enrolid, 'status' => ENROL_INSTANCE_DISABLED];
+        $DB->update_record('enrol', $enrol);
+
+        // Delete the activity being shared by resource2, leaving resource 2 disabled as a result.
+        $modcontext = \context::instance_by_id($resource2->contextid);
+        course_delete_module($modcontext->instanceid);
+
+        // Only the enabled resource 3 should sync members.
+        $task = $this->get_mock_task_with_users($this->get_mock_members_with_ids(range(1, 1)));
+        $task->execute();
+
+        $this->expectOutputRegex(
+            "/^Starting - Member sync for published resource '$resource3->id' for course '$course->id'.\n".
+            "Completed - Synced members for tool '$resource3->id' in the course '$course->id'. Processed 0 users; ".
+            "enrolled 0 members; unenrolled 0 members.\n$/"
+        );
+        $this->assertCount(0, $userrepo->find_by_resource($resource->id));
+    }
+
     /**
      * Test syncing members for a membersync-enabled resource when the launch omits the NRPS service endpoints.
      *