[ticket/12639] Delete entry in admin-log leads to mysql-error

PHPBB3-12639
[ticket/12639] Add a test case with an empty keywords list

PHPBB3-12639
[ticket/12639] Update tests to use a dataProvider

PHPBB3-12639
[ticket/12639] Fix tests on postgres

PHPBB3-12639
[ticket/12639] Order the results correctly in the test

PHPBB3-12639
[ticket/12639] Remove old commented tests

PHPBB3-12639
[ticket/12639] Use assertSame

PHPBB3-12639
[ticket/12566] "Private messages" should be "Send pivate message"

PHPBB3-12566
[ticket/12566] Also changed for ucp_pm_viewmessage.php

PHPBB3-12566
Merge remote-tracking branch 'PayBas/ticket/12566' into develop-ascraeus

* PayBas/ticket/12566:
  [ticket/12566] Also changed for ucp_pm_viewmessage.php
  [ticket/12566] "Private messages" should be "Send pivate message"
Merge pull request #2526 from Nicofuma/ticket/12639

[ticket/12639] Delete entry in admin-log leads to mysql-error

* Nicofuma/ticket/12639:
  [ticket/12639] Use assertSame
  [ticket/12639] Remove old commented tests
  [ticket/12639] Order the results correctly in the test
  [ticket/12639] Fix tests on postgres
  [ticket/12639] Update tests to use a dataProvider
  [ticket/12639] Add a test case with an empty keywords list
  [ticket/12639] Delete entry in admin-log leads to mysql-error