clientContext.initialize(null, null, WindowsAccountImpl.getCurrentUsername());
SimpleHttpRequest request = new SimpleHttpRequest();
request.setMethod("POST");
request.setContentLength(0);
String clientToken = BaseEncoding.base64().encode(clientContext.getToken());
request.addHeader("Authorization", securityPackage + " " + clientToken);
SimpleHttpResponse response = new SimpleHttpResponse();
this.filter.doFilter(request, response, null);
assertTrue(response.getHeader("WWW-Authenticate").startsWith(securityPackage + " "));
assertEquals("keep-alive", response.getHeader("Connection"));
assertEquals(2, response.getHeaderNamesSize());