Timezones problem

Timezones.java

    @Test
    public void timezoneProblem() throws ParseException {
        TimeZone utcTime = TimeZone.getTimeZone("UTC");
        TimeZone berlinTime = TimeZone.getTimeZone("Europe/Berlin");
        Calendar calendar = new GregorianCalendar();
        calendar.setTimeZone(utcTime);
        int hourOfDay_1 = calendar.get(Calendar.HOUR_OF_DAY);
        calendar.setTimeZone(berlinTime);
        int hourOfDay_2 = calendar.get(Calendar.HOUR_OF_DAY);
        assertEquals("Hours should be not equal as as there are from different timezones:",hourOfDay_1, hourOfDay_2);
    }