@Test
public void testCacheControlHeader() {

	Message message = new MessageImpl();
	ByteArrayOutputStream sw = new ByteArrayOutputStream();
	message.setContent(OutputStream.class , sw);
	FixedCacheControlOutInterceptor interceptor = new FixedCacheControlOutInterceptor();
	interceptor.handleMessage(message);
	@SuppressWarnings("unchecked")
tadataMap<String, Object> headers = (MetadataMap<String, Object>) message.get(Message.PROTOCOL_HEADERS);
	assertEquals(((List)headers.get("Expires")).get(0), "-1");
	assertEquals(((List)headers.get("Cache-Control")).get(0), "no-cache");
}