Rails4: replace deprecated Relation#first with finder options at AccountControllerTest

git-svn-id: http://svn.redmine.org/redmine/trunk@12505 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/functional/account_controller_test.rb

@@ -185,7 +185,7 @@ class AccountControllerTest < ActionController::TestCase
         }
         assert_redirected_to '/my/account'
       end
-      user = User.first(:order => 'id DESC')
+      user = User.order('id DESC').first
       assert_equal 'register', user.login
       assert_equal 'John', user.firstname
       assert_equal 'Doe', user.lastname