BEGIN:VCALENDAR
PRODID:-//Test//
VERSION:2.0
BEGIN:VEVENT
UID:d2240999-ab22-410e-97e9-8f562cb87d08
SUMMARY:T08
DESCRIPTION:with unknown-TZID. without Z/VTIMEZONE/VALUE
DTSTART;TZID=Euro2pe/M234oscow2:20151103T120000
DTEND;TZID=Euro2pe/M234oscow2:20151103T130000
END:VEVENT
END:VCALENDAR