@Test
	public void testGetFilteredTimeZoneMap() {
		Map<String, String> tzMap = DateUtils.getFilteredTimeZoneMap();
		assertThat(tzMap, notNullValue());
		tzMap = DateUtils.getFilteredTimeZoneMap();
		assertThat(tzMap, notNullValue());
	}
Test method for {@link DateUtils#dateToString(java.util.Date)}.
ngrinder-core/src/test/java/org/ngrinder/common/util/DateUtilsTest.java