@Test
public void testNoSignature() throws Oadr20bXMLSignatureException, Oadr20bUnmarshalException {

	OadrRequestEventType oadrRequestEventType = Oadr20bEiEventBuilders
			.newOadrRequestEventBuilder("ven1", "requestId").withReplyLimit(12).build();
	OadrPayload createOadrPayload = Oadr20bFactory.createOadrPayload("mypayload", oadrRequestEventType);
	String content = oadrPayloadToString(createOadrPayload);
	boolean exception = false;
	try {
		OadrPayload unmarshal = jaxbContext.unmarshal(content, OadrPayload.class, true);
		OadrXMLSignatureHandler.validate(content, unmarshal, 0, -10);
	} catch (Oadr20bXMLSignatureValidationException e) {
		exception = true;
	}
	assertTrue(exception);
}