@Test
public void base64EncodeWithByteArray() throws IOException {

stem.out.println("Test: " + "base64EncodeWithByteArray");
    byte[] orig = new byte[]{'a', 'b', 'c', 'd', 'e', 'f', 'g'};
    byte[] result = FileHelper.base64Encode(orig);
    byte[] roundTrip = Base64.decodeBase64(result);
    assertThat(result, is(not(nullValue())));
    assertThat(roundTrip, is(equalTo(orig)));
}