@Test
public void testTransfer30mToLongPeriod() {

	String periodExpression = "30m";
	long[] transferToLongPeriod = this.timePeriodHandler.transferToLongPeriod(periodExpression);
	assertEquals(transferToLongPeriod.length, 2);
	assertEquals(transferToLongPeriod[1] - transferToLongPeriod[0], 30*60*1000);
}