@Test
public void success_PaddingTailZeroArray() {

    byte[] input = new byte[]{1, 2, 3, 4, 5, 6, 7, 8};
    byte[] result = ByteUtils.paddingZeroOnTail(input, 10);
    byte[] result2 = ByteUtils.paddingZeroOnTail(input, 20);
    assertThat(result, is(new byte[]{1, 2, 3, 4, 5, 6, 7, 8, 0, 0}));
    assertThat(result2, is(new byte[]{1, 2, 3, 4, 5, 6, 7, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}));
}