get "/arvados/v1/links", {:format => :json, :select => ['uuid', 'link_class']}, auth(:active)
assert_response :success
assert_equal json_response['items'].count, json_response['items'].select { |i|
get "/arvados/v1/links", {:format => :json, :select => ['uuid', 'link_class']}, auth(:active)
assert_response :success
assert_equal json_response['items'].count, json_response['items'].select { |i|