when:
        boolean serverError = new HttpErrorStatusCodeException('GET', 'http://localhost:8080/', statusCode, '')

        then:
        serverError

        where:
        statusCode << (500..599).collect { it }
    }

    def "can identify status code as non-server error"() {
        when:

package rpc

import (
	"bufio"
	"encoding/gob"
	"errors"
	"io"
	"log"
	"net"
	"net/http"
	"sync"
)

// ServerError represents an error that has been returned from
// the remote side of the RPC connection.
type ServerError string

func (e ServerError) Error() string {
	return string(e)
}

var ErrShutdown = errors.New("connection is shut down")

// Call represents an active RPC.