BEGIN_TEST    = lambda id:   "https://videouroki.net/tests/api/beginTest/" + str(id)
DO_TEST       = lambda uuid: "https://videouroki.net/tests/do/" + str(uuid)
COMPLETE_TEST = lambda uuid: "https://videouroki.net/tests/complete/" + str(uuid)
SAVE_ANSWER   = lambda id:   "https://videouroki.net/tests/api/save/" + str(id)