@Test
 public void
     linkContainsCellsCorrespondingToInJunctionFollowedByCellsInCellChainFollowedByOutJunction()
         throws Exception {
   context.checking(
       new Expectations() {
         {
           oneOf(cellChain).iterator();
           will(returnIterator(linkCell0, linkCell1));
         }
       });
   assertThat(link.cells(), contains(inJunction, linkCell0, linkCell1, outJunction));
 }