public void testItDoesntChangeFingerprintLengthAfterReservingRingBits() {
    fingerprinter.reserveRingBits(24);

    assertEquals(1024, fingerprinter.getFingerprintLength());
  }
 public void testItStartsWithFingerprintLength1024() {
   assertEquals(1024, fingerprinter.getFingerprintLength());
 }