String tzLabel = "Test_TimeZoneLabel";
String clName = "Test_iCal";
Integer tzOrderId = 10000;
// add new time zone
Long tzId = timeZoneDao.addOmTimeZone(tzName, tzLabel, clName, tzOrderId);
assertTrue("Time zones should be positive number : " + tzId, tzId > 0 );
// get time zone
OmTimeZone omTimeZone = timeZoneDao.getOmTimeZoneById(tzId);
assertNotNull("Time zone should not be null", omTimeZone);