[ticket/11441] Add _test prefix to user loader test filename.

PHPBB3-11441
[ticket/11441] Correct/fix class name of user loader test.

PHPBB3-11441
[ticket/11441] Update/correct copyright year of user loader test.

PHPBB3-11441
[ticket/11441] Use setUp() in phpbb_user_loader_test.

PHPBB3-11441
[ticket/11441] Split user loader tests into multiple test methods.

PHPBB3-11441
[ticket/11443] Add _test suffix to migration test filenames

PHPBB3-11443
Merge remote-tracking branch 'bantu/ticket/11441' into develop

* bantu/ticket/11441:
  [ticket/11441] Split user loader tests into multiple test methods.
  [ticket/11441] Use setUp() in phpbb_user_loader_test.
  [ticket/11441] Update/correct copyright year of user loader test.
  [ticket/11441] Correct/fix class name of user loader test.
  [ticket/11441] Add _test prefix to user loader test filename.
[ticket/11443] Fix Migrator Modules Tool by creating a phpbb_log object

PHPBB3-11443
Merge remote-tracking branch 'nickvergessen/ticket/11443' into develop

* nickvergessen/ticket/11443:
  [ticket/11443] Fix Migrator Modules Tool by creating a phpbb_log object
  [ticket/11443] Add _test suffix to migration test filenames
[ticket/11455] Restore alphabetic order (underscore first) in config/tables.yml

PHPBB3-11455
[ticket/11457] Remove check and include for set_var function. It's not used.

PHPBB3-11457
Merge remote-tracking branch 'bantu/ticket/11455' into develop

* bantu/ticket/11455:
  [ticket/11455] Restore alphabetic order (underscore first) in config/tables.yml
Merge remote-tracking branch 'bantu/ticket/11457' into develop

* bantu/ticket/11457:
  [ticket/11457] Remove check and include for set_var function. It's not used.