Adds functional tests.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8947 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/functional/roles_controller_test.rb

@@ -84,6 +84,11 @@ class RolesControllerTest < ActionController::TestCase
     assert_equal Role.find(1), assigns(:role)
   end
 
+  def test_edit_invalid_should_respond_with_404
+    get :edit, :id => 999
+    assert_response 404
+  end
+
   def test_update
     put :update, :id => 1,
                 :role => {:name => 'Manager',