@Test
public void success_JoinByteArray_1() {

    byte[] input1 = new byte[]{1, 2, 3, 4, 5};
    byte[] input2 = new byte[]{6, 7, 8, 9, 10};
    byte[] result = ByteUtils.join(input1, input2);
    assertThat(result, is(new byte[]{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}));
}