@Test
 public void betterVersion() {
   IResult result = format.execute();
   assertThat(result.size()).isEqualTo(3);
   Iterator iter = result.iterator();
   while (iter.hasNext()) {
     IResult r = (IResult) iter.next();
     assertThat(r.getMessage()).contains("error");
   }
 }
 @Test
 public void originalTest() {
   IResult result = format.execute();
   System.out.println(result.size());
   Iterator iter = result.iterator();
   while (iter.hasNext()) {
     IResult r = (IResult) iter.next();
     System.out.println(r.getMessage());
   }
 }