public static HttpRequest createTestRequest(String path, com.yahoo.jdisc.http.HttpRequest.Method method,
                                                Cmd cmd, Long id) {
        return createTestRequest(path, method, cmd, id, "");
    }
Base class for session handler tests

@author hmusum
configserver/src/test/java/com/yahoo/vespa/config/server/http/SessionHandlerTest.java