@Test
public void testRandomLetters() {

    for (int length = 1; length < 10; length++) {
        String value = RandomStringUtils.randomLetters(length);
        //LOGGER.debug( "random alpha string: " + value );
        Assert.assertEquals(
                "random string has a length of " + length,
                length, value.length());
        Assert.assertTrue(
                "random string is alpha",
                isAsciiAlpha(value));
    }
}