test: route: move issue_categories test to new file

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8356 e93f8b46-1217-0410-a6f0-8f06a7374b81
test: route: split issue categories test whether scoped under project or not

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8548 e93f8b46-1217-0410-a6f0-8f06a7374b81
test: route: move issue_relations test to new file

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8336 e93f8b46-1217-0410-a6f0-8f06a7374b81
test: route: add issue_statuses test

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8550 e93f8b46-1217-0410-a6f0-8f06a7374b81
test: route: move issue_moves test to new file