[ticket/10820] Add test cases

PHPBB3-10325
[ticket/10820] fix regex
Extract IE version from user agent string and then compare it with 7

PHPBB3-10820
Merge branch 'ticket/10820' into ticket/10820-develop

* ticket/10820:
  [ticket/10820] fix regex Extract IE version from user agent string and then compare it with 7

Conflicts:
	phpBB/download/file.php