(icalendar-testsuite--run-function-tests):
Add icalendar-testsuite--test-datestring-to-isodate,
icalendar-testsuite--test-datetime-to-diary-date, and
icalendar-testsuite--test-calendar-style.
(icalendar-testsuite--test-format-ical-event):
(icalendar-testsuite--test-parse-summary-and-rest): Doc fix.
Remove european-calendar-style.
(icalendar-testsuite--get-ical-event): Doc fix.
(icalendar-testsuite--test-first-weekday-of-year):
(icalendar-testsuite--run-cycle-tests): Add doc string.
(icalendar-testsuite--test-datestring-to-isodate):
(icalendar-testsuite--test-datetime-to-diary-date):
(icalendar-testsuite--test-calendar-style): New functions.
(icalendar-testsuite--test-export): Handle iso date style.
New arg INPUT-ISO. Use calendar-date-style.
(icalendar-testsuite--test-import): Handle iso date style.
New arg EXPECTED-ISO. Use calendar-date-style.
(icalendar-testsuite--test-cycle): Handle iso date style.
(icalendar-testsuite--run-import-tests):
(icalendar-testsuite--run-export-tests):
(icalendar-testsuite--run-real-world-tests): Add iso style tests.