headers.setHeader("Content-Disposition", "form-data; name=\"upload\"; filename=\"request.xml\"");
headers.setHeader("Content-Type", "application/xml");
body.addBodyPart(new MimeBodyPart(headers, xml.getBytes()));
ByteArrayOutputStream bout = new ByteArrayOutputStream();
body.writeTo(bout);
request.setBodyContent(bout.toByteArray());
MockHttpServletResponse response = new MockHttpServletResponse();