Fix default value

[TomoTsuyuki]

Patch rwthanalytics#32

[vithushau]

After applying the changes, I can see the default option in the settings! that seems to be correct. However, I’m still getting the failure.

root@b8c70a1b12b5:/var/www/ltu-45# vendor/bin/phpunit --testsuite=core_testsuite --filter=adminlib_test::test_admin_apply_default_settings
Moodle 4.5.6+ (Build: 20250919), 6e3fc8e752487a818bd77e1069f684fb8d6ff884
Php: 8.3.19, pgsql: 16.0 (Debian 16.0-1.pgdg120+1), OS: Linux 6.14.0-33-generic x86_64
PHPUnit 9.6.18 by Sebastian Bergmann and contributors.

F                                                                   1 / 1 (100%)

Time: 00:03.013, Memory: 194.00 MB

There was 1 failure:

1) core\adminlib_test::test_admin_apply_default_settings
Failed asserting that two arrays are identical.
--- Expected
+++ Actual
@@ @@
-Array &0 ()
+Array &0 (
+    'local_learning_analytics/student_enrols_groupby' => 'id'
+)

/var/www/ltu-45/lib/tests/adminlib_test.php:174
/var/www/ltu-45/lib/phpunit/classes/advanced_testcase.php:76

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

[TomoTsuyuki]

Thanks @vithushau for review!

It looks like we need to clean the cache before testing.

I updated the version so the system forced to clear the cache.

[vithushau]

Merging this one. Thanks @TomoTsuyuki

root@b8c70a1b12b5:/var/www/ltu-45# vendor/bin/phpunit --testsuite=core_testsuite --filter=adminlib_test::test_admin_apply_default_settings
Moodle 4.5.6+ (Build: 20250919), 6e3fc8e752487a818bd77e1069f684fb8d6ff884
Php: 8.3.19, pgsql: 16.0 (Debian 16.0-1.pgdg120+1), OS: Linux 6.14.0-33-generic x86_64
PHPUnit 9.6.18 by Sebastian Bergmann and contributors.

.                                                                   1 / 1 (100%)

Time: 00:07.628, Memory: 200.00 MB

OK (1 test, 6 assertions)