.calendarOfId(
new Tenant(tenantId),
new CalendarId(calendarId));
assertNotNull(calendar);
assertEquals(tenantId, calendar.tenant().id());
assertEquals(calendarId, calendar.calendarId().id());
assertEquals("Personal Training", calendar.name());
assertEquals("My personal training calendar.", calendar.description());
assertEquals("owner1", calendar.owner().identity());
assertEquals(1, calendar.allSharedWith().size());