@Before
    public void setUp() {
        raw = "0123456789";
        rawBytes = Utf8.toBytes(raw);
        toCheck = new Utf8Array(rawBytes);
    }
Check the Utf8Array API behaves as expected.

@author <a href="mailto:steinar@yahoo-inc.com">Steinar Knutsen</a>
vespajlib/src/test/java/com/yahoo/text/Utf8ArrayTestCase.java