Add missing backup field, and new field in tests.

backup/moodle2/backup_attendance_stepslib.php

@@ -58,7 +58,7 @@ class backup_attendance_activity_structure_step extends backup_activity_structur
         $session  = new backup_nested_element('session', array('id'), array(
             'groupid', 'sessdate', 'duration', 'lasttaken', 'lasttakenby',
             'timemodified', 'description', 'descriptionformat', 'studentscanmark', 'studentpassword',
-            'subnet', 'automark', 'automarkcompleted', 'statusset', 'caleventid'));
+            'subnet', 'automark', 'automarkcompleted', 'statusset', 'absenteereport', 'caleventid'));
 
         // XML nodes declaration - user data.
         $logs = new backup_nested_element('logs');

tests/attendance_webservices_test.php

@@ -85,6 +85,7 @@ class attendance_webservices_tests extends advanced_testcase {
         $session->timemodified = time();
         $session->statusset = 0;
         $session->groupid = 0;
+        $session->absenteereport = 1;
 
         // Creating two sessions.
         $this->sessions[] = $session;