@Test
public void testNiceNiblesOutput_1() {

    byte[] test = {7, 0, 7, 5, 7, 0, 7, 0, 7, 9};
    String result = "\\x07\\x00\\x07\\x05\\x07\\x00\\x07\\x00\\x07\\x09";
    assertEquals(result, ByteUtil.nibblesToPrettyString(test));
}