PHPUnit error - test_update_courses

[TomoTsuyuki]

I got an error from Moodle core unit test, which is caused by this plugin.

root@49f6d76dd8d6:/var/www/moodle-405# vendor/bin/phpunit --filter=test_update_courses
Moodle 4.5.8+ (Build: 20260126), e4c595aac8a9b0d76cfa7efbc3fe5172be3095fb
Php: 8.3.28, pgsql: 17.7 (Debian 17.7-3.pgdg13+1), OS: Linux 6.14.0-37-generic x86_64
PHPUnit 9.6.18 by Sebastian Bergmann and contributors.

....F                                                               5 / 5 (100%)

Time: 00:01.649, Memory: 356.00 MB

There was 1 failure:

1) externallib_test::test_update_courses
Failed asserting that two strings are equal.
--- Expected
+++ Actual
@@ @@
-'Updated test course 1'
+'Test course 1'

/var/www/moodle-405/course/tests/externallib_test.php:2126
/var/www/moodle-405/lib/phpunit/classes/advanced_testcase.php:76

FAILURES!
Tests: 5, Assertions: 14, Failures: 1.