delete :delete, :id => current_relations(:public_used_relation).id
assert_response :precondition_failed,
"shouldn't be able to delete a relation used in a relation (#{@response.body})"
delete :delete, :id => current_relations(:public_used_relation).id
assert_response :precondition_failed,
"shouldn't be able to delete a relation used in a relation (#{@response.body})"