These changes are covered by the unit tests for the manager. Also, you can testing by running the attached testwithmanager.php script (see -------- MDL-61571 -------- for the original script location) in the Moodle root folder. Make sure you've purged the cache (php admin/cli/purge_caches.php), before running testwithmanager.php. You should receive a script output like: Testing the compliant plugins: ... == enrol_category (enrol_category\privacy\provider) ==     Claims not to store any data with reason:       'The Category enrolments plugin does not store any personal data.' == enrol_cohort (enrol_cohort\privacy\provider) ==     Claims not to store any data with reason:       'The Cohort sync enrolments plugin does not store any personal data.' == enrol_database (enrol_database\privacy\provider) ==     Claims not to store any data with reason:       'The External database enrolments plugin does not store any personal data.' == enrol_flatfile (enrol_flatfile\privacy\provider) ==     Claims not to store any data with reason:       'The Flat file (CSV) enrolments plugin does not store any personal data.' == enrol_guest (enrol_guest\privacy\provider) ==     Claims not to store any data with reason:       'The Guest access enrolments plugin does not store any personal data.' == enrol_imsenterprise (enrol_imsenterprise\privacy\provider) ==     Claims not to store any data with reason:       'The IMS Enterprise file enrolments plugin does not store any personal data.' == enrol_ldap (enrol_ldap\privacy\provider) ==     Claims not to store any data with reason:       'The LDAP enrolments plugin does not store any personal data.' == enrol_manual (enrol_manual\privacy\provider) ==     Claims not to store any data with reason:       'The Manual enrolments plugin does not store any personal data.' == enrol_meta (enrol_meta\privacy\provider) ==     Claims not to store any data with reason:       'The Course meta link enrolments plugin does not store any personal data.' == enrol_mnet (enrol_mnet\privacy\provider) ==     Claims not to store any data with reason:       'The MNet remote enrolments plugin does not store any personal data.' == enrol_self (enrol_self\privacy\provider) ==     Claims not to store any data with reason:       'The Self enrolments plugin does not store any personal data.' ...