vendor/bin/phpunit user/tests/userroleseditable_test.php 

Moodle 4.3dev (Build: 20230427), 5252124e35bcc3553d43291d3933ef6fb8b037b8
Php: 8.1.18, pgsql: 13.7 (Ubuntu 13.7-0ubuntu0.21.10.1), OS: Linux 5.15.0-71-generic x86_64
PHPUnit 9.5.27 by Sebastian Bergmann and contributors.

E                                                                   1 / 1 (100%)

Time: 00:00.149, Memory: 46.50 MB

There was 1 error:

1) core_user\userroleseditable_test::test_update
Error: Class "core_external" not found

/home/dan/www/moodle/user/classes/output/user_roles_editable.php:155
/home/dan/www/moodle/user/tests/userroleseditable_test.php:55
/home/dan/www/moodle/lib/phpunit/classes/advanced_testcase.php:94