import pytest @pytest.fixture def sample_ics(): return """BEGIN:VCALENDAR VERSION:2.0 PRODID:-//Test//Test//EN BEGIN:VEVENT DTSTART:20260106T150000Z DTEND:20260106T160000Z SUMMARY:Meeting UID:test-1 DTSTAMP:20260101T000000Z END:VEVENT END:VCALENDAR"""