public void clearCookies() { parent.headers().remove(HttpHeaders.Names.COOKIE); }
@Test
    void testClearCookies() {
        URI uri = URI.create("http://example.yahoo.com/test");
        HttpRequest httpReq = newRequest(uri, HttpRequest.Method.GET, HttpRequest.Version.HTTP_1_1);
        httpReq.headers().put(HttpHeaders.Names.COOKIE, "XYZ=value");
        DiscFilterRequest request = new DiscFilterRequest(httpReq);
        request.clearCookies();
        assertNull(request.getHeader(HttpHeaders.Names.COOKIE));
    }