code format clean up WikisControllerTest

git-svn-id: http://svn.redmine.org/redmine/trunk@12778 e93f8b46-1217-0410-a6f0-8f06a7374b81
code format clean up TrackersControllerTest

git-svn-id: http://svn.redmine.org/redmine/trunk@12779 e93f8b46-1217-0410-a6f0-8f06a7374b81
define constant of escaped "can't" for tests

git-svn-id: http://svn.redmine.org/redmine/trunk@12780 e93f8b46-1217-0410-a6f0-8f06a7374b81
use escaped "can't" constant at WikisControllerTest

git-svn-id: http://svn.redmine.org/redmine/trunk@12781 e93f8b46-1217-0410-a6f0-8f06a7374b81
use escaped "can't" constant at TrackersControllerTest

git-svn-id: http://svn.redmine.org/redmine/trunk@12782 e93f8b46-1217-0410-a6f0-8f06a7374b81