@Test
public void testMeter2calcFlow() {
user.setFlow(2015, 10, 900);
user.setFlow(2015, 11, 700);
user.setFlow(2015, 12, 500);
user.setFlow(2016, 1, realFlow);
assertEquals(feeFlow, user.calculateBillingFlow(2016, 1));
user.setFlow(2015, 10, 1900);
user.setFlow(2015, 11, 1200);
user.setFlow(2015, 12, 1500);
user.setFlow(2016, 1, realFlow);
assertEquals(feeFlow2, user.calculateBillingFlow(2016, 1));
}
