@Test
 public void TestCase2() {
   paperround.addMagazine(0);
   assertEquals(0, paperround.getMagazines().size());
 }
 @Test
 public void TestCase1() {
   paperround.addPaper(1);
   paperround.addMagazine(1);
   assertEquals(1, paperround.getMagazines().size());
 }