remove unneeded Relation#all from IssuesControllerTest#test_bulk_copy_to_another_project

git-svn-id: http://svn.redmine.org/redmine/trunk@12589 e93f8b46-1217-0410-a6f0-8f06a7374b81
Rails4: replace deprecated Relation#first with finder options at IssuesControllerTest

git-svn-id: http://svn.redmine.org/redmine/trunk@12590 e93f8b46-1217-0410-a6f0-8f06a7374b81