You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: fs_project_test.go
    path of file: ./repos/arvados/sdk/go/arvados
    
    the code of the file until where you have to start completion: // Copyright (C) The Arvados Authors. All rights reserved.
//
// SPDX-License-Identifier: Apache-2.0

package arvados

import (
	"bytes"
	"encoding/json"
	"errors"
	"io"
	"os"
	"strings"

	check "gopkg.in/check.v1"
)

type spiedRequest struct {
	method string
	path   string
	params map[string]interface{}
}

type spyingClient struct {
	*Client
	calls []spiedRequest
}

func (sc *spyingClient) RequestAndDecode(dst interface{}, method, path string, body io.Reader, params interface{}) error {
	var paramsCopy map[string]interface{}
	var buf bytes.Buffer
	json.NewEncoder(&buf).Encode(params)
	json.NewDecoder(&buf).Decode(&paramsCopy)
	sc.calls = append(sc.calls, spiedRequest{
		method: method,
		path:   pat
    
func (s *SiteFSSuite) testHomeProject(c *check.C, path, expectRealName string) {
	f, err := s.fs.Open(path)
	c.Assert(err, check.IsNil)
	fis, err := f.Readdir(-1)
	c.Assert(err, check.IsNil)
	c.Check(len(fis), check.Not(check.Equals), 0)

	ok := false
	for _, fi := range fis {
		c.Check(fi.Name(), check.Not(check.Equals), "")
		if fi.Name() == "A Project" {
			ok = true
		}
	}
	c.Check(ok, check.Equals, true)

	f, err = s.fs.Open(path + "/A Project/..")
	c.Assert(err, check.IsNil)
	fi, err := f.Stat()
	c.Assert(err, check.IsNil)
	c.Check(fi.IsDir(), check.Equals, true)
	c.Check(fi.Name(), check.Equals, expectRealName)

	f, err = s.fs.Open(path + "/A Project/A Subproject")
	c.Assert(err, check.IsNil)
	fi, err = f.Stat()
	c.Assert(err, check.IsNil)
	c.Check(fi.IsDir(), check.Equals, true)

	for _, nx := range []string{
		path + "/Unrestricted public data",
		path + "/Unrestricted public data/does not exist",
		path + "/A Project/does not exist",
	} {
		c.Log(nx)
		f, err = s.fs.Open(nx)
		c.Check(err, check.NotNil)
		c.Check(os.IsNotExist(err), check.Equals, true)
	}
}