ctx, cancel := context.WithCancel(GlobalContext)
	defer cancel()

	objLayer, fsDir, err := prepareFS(ctx)
	if err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(fsDir)
	if err = newTestConfig(globalMinioDefaultRegion, objLayer); err != nil {
		t.Fatalf("unable initialize config file, %s", err)
	}

	initAllSubsystems(ctx)

	initConfigSubsystem(ctx, objLayer)

}

// testPostPolicyReservedBucketExploit is a test for the exploit fixed in PR
// #16849
func testPostPolicyReservedBucketExploit(obj ObjectLayer, instanceType string, dirs []string, t TestErrHandler) {
	if err := newTestConfig(globalMinioDefaultRegion, obj); err != nil {
		t.Fatalf("Initializing config.json failed")
	}

	// Register the API end points with Erasure/FS object layer.

	objLayer, erasureDirs, xlErr := initTestErasureObjLayer(ctx)
	if xlErr != nil {
		cancel()
		return nil, xlErr
	}

	// Initialize minio server config.
	if err := newTestConfig(globalMinioDefaultRegion, objLayer); err != nil {
		cancel()
		return nil, err
	}

	// Initialize boot time
	globalBootTime = UTCNow()

	globalEndpoints = mustGetPoolEndpoints(0, erasureDirs...)

	ctx, cancel := context.WithCancel(t.Context())
	defer cancel()

	obj, fsDir, err := prepareFS(ctx)
	if err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(fsDir)
	if err = newTestConfig(globalMinioDefaultRegion, obj); err != nil {
		t.Fatal(err)
	}

	// sha256 hash of "payload"
	payloadSHA256 := "239f59ed55e737c77147cf55ad0c1b030b6d7ee748a7426952f9b852d5a935e5"
	now := UTCNow()

	ctx, cancel := context.WithCancel(t.Context())
	defer cancel()

	objLayer, fsDir, err := prepareFS(ctx)
	if err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(fsDir)
	if err = newTestConfig(globalMinioDefaultRegion, objLayer); err != nil {
		t.Fatalf("unable initialize config file, %s", err)
	}

	initAllSubsystems(ctx)
	initConfigSubsystem(ctx, objLayer)

// #16852
func testPathTraversalExploit(obj ObjectLayer, instanceType, bucketName string, apiRouter http.Handler,
	credentials auth.Credentials, t *testing.T,
) {
	if err := newTestConfig(globalMinioDefaultRegion, obj); err != nil {
		t.Fatalf("Initializing config.json failed")
	}

	objectName := `\../.minio.sys/config/hello.txt`

	if err != nil {
		t.Fatal(err)
	}
	defer obj.Shutdown(t.Context())

	// initialize the server and obtain the credentials and root.
	// credentials are necessary to sign the HTTP request.
	if err = newTestConfig(globalMinioDefaultRegion, obj); err != nil {
		t.Fatalf("Unable to initialize server config. %s", err)
	}

	defer removeRoots(fsDirs)

	z := obj.(*erasureServerPools)
	er := z.serverPools[0].sets[0]