public void testGetFirstMillisecond() {
        Locale saved = Locale.getDefault();
        Locale.setDefault(Locale.UK);
        TimeZone savedZone = TimeZone.getDefault();
        TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
        Quarter q = new Quarter(3, 1970);
        assertEquals(15634800000L, q.getFirstMillisecond());
        Locale.setDefault(saved);
        TimeZone.setDefault(savedZone);