@Before
 public void setUp() {
   failures = spy(new Failures());
   actual = new byte[] {4, 3, 2, 2, 1};
   arrays = new ByteArrays();
   arrays.failures = failures;
   byteDescendingOrderComparator =
       new Comparator<Byte>() {
         public int compare(Byte byte1, Byte byte2) {
           return -byte1.compareTo(byte2);
         }
       };
   byteAscendingOrderComparator =
       new Comparator<Byte>() {
         public int compare(Byte byte1, Byte byte2) {
           return byte1.compareTo(byte2);
         }
       };
 }
 @Before
 public void setUp() {
   failures = spy(new Failures());
   arrays = new ByteArrays();
   arrays.failures = failures;
 }