get :version, :params => { :id => relation_id, :version => 1 }
assert_response :success, "can't read back version 1 of the relation: #{@response.body}"
check_ordering(doc, @response.body)
get :version, :params => { :id => relation_id, :version => 1 }
assert_response :success, "can't read back version 1 of the relation: #{@response.body}"
check_ordering(doc, @response.body)