@Test
	public void testTimeTrue() {  
	    try {
	     	for (int i = 0; i < 1000; i++) {
	    		account.buyShare("daniel", "BMW", 2);
	    		account.sellShare("daniel", "BMW", 2);
			}
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	    BuySellHistory history =  account.getAllPlayer()[0].getBuySellHistory();
	    try {
			history.sort(new ComparatorTime());
		} catch (InstantiationException | IllegalAccessException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	    CommandEntity[] entity = history.getFirstLast();
	    assertTrue("ist richtig nach Zeit sortiert", entity[0].getCalendar().getTime().getTime()<entity[1].getCalendar().getTime().getTime());
	}