ListIterator viaHeaders = request.getHeaders(ViaHeader.NAME);
ViaHeader viaHeader = (ViaHeader) viaHeaders.next();
assertTrue ( viaHeader.equals(tivia.iterator().next())) ;
Header header = request.getHeader("My-Header");
assertTrue (header != null && header.equals(tiextensionHeader));
request.removeHeader("My-Header");
assertNull( request.getHeader("My-Header") ) ;
Response response = tiMessageFactory.createResponse
(statusCode, ticallId, ticSeq, tifrom, tito, tivia,
timaxForwards, ticontentType, contentObject);
response.addHeader(tiextensionHeader);