X go/neo: Update it after merging ZODB/go StrictUnicode + other py3-related improvements

FileStorage teestdata now lives in different place(s) and is different
because gen_testdata.py in zodbtools changed.

-> Adjust fs1 testdata path to load and regenerate neo/storage/sqlite from it.

go/neo/client_test.go

-// Copyright (C) 2020-2023  Nexedi SA and Contributors.
+// Copyright (C) 2020-2024  Nexedi SA and Contributors.
 //                          Kirill Smelkov <kirr@nexedi.com>
 //
 // This program is free software: you can Use, Study, Modify and Redistribute
@@ -657,7 +657,7 @@ func TestEmptyDB(t *testing.T) {
 func TestLoad(t *testing.T) {
 	X := xtesting.FatalIf(t)
 
-	data := "../zodb/storage/fs1/testdata/1.fs"
+	data := fs1Testdata
 	txnvOk, err := xtesting.LoadDBHistory(data); X(err)
 
 	withNEO(t, func(t *testing.T, nsrv NEOSrv, n *Client) {

go/neo/neo_test.go

-// Copyright (C) 2017-2021  Nexedi SA and Contributors.
+// Copyright (C) 2017-2024  Nexedi SA and Contributors.
 //                          Kirill Smelkov <kirr@nexedi.com>
 //
 // This program is free software: you can Use, Study, Modify and Redistribute
@@ -39,10 +39,14 @@ import (
 	"lab.nexedi.com/kirr/go123/xsync"
 )
 
+// tests use testdata from FileStorage
+// since NEO does not use pickles itself only one zkind is enough for NEO tests
+const fs1Testdata = "../zodb/storage/fs1/testdata/py2_pickle3/1.fs"
+
 // Verify basic M+S recovery.
 func TestClusterRecoveryBasic(t *testing.T) {
 	Verify(t, func(t0 *tEnv) {
-		zback := xfs1back("../zodb/storage/fs1/testdata/1.fs")
+		zback := xfs1back(fs1Testdata)
 		t := t0.NewCluster_MS("abc1", zback)
 		defer t.Stop()
 	})
@@ -56,8 +60,8 @@ func _TestMasterStorage(t0 *tEnv) {
 	X := exc.Raiseif
 	bg := context.Background()
 
-	zback := xfs1back("../zodb/storage/fs1/testdata/1.fs")
-	zstor := xfs1stor("../zodb/storage/fs1/testdata/1.fs")
+	zback := xfs1back(fs1Testdata)
+	zstor := xfs1stor(fs1Testdata)
 	defer func() {
 		err := zstor.Close();  X(err)
 	}()
@@ -374,7 +378,7 @@ func benchmarkGetObject(b *testing.B, opt tClusterOptions, benchit func(xcload1
 	tracetest.Run(b, func(t0 *tracetest.T) {
 		tenv := &tEnv{t0, opt}
 		// create test cluster
-		zback := xfs1back("../zodb/storage/fs1/testdata/1.fs")
+		zback := xfs1back(fs1Testdata)
 		t := tenv.NewCluster_MS("abc1", zback)
 		defer t.Stop()
 		M := t.Master("m")

go/neo/storage/sqlite/py/gen-testdata

 #!/usr/bin/env python2
 # -*- coding: utf-8 -*-
-# Copyright (C) 2018-2021  Nexedi SA and Contributors.
+# Copyright (C) 2018-2024  Nexedi SA and Contributors.
 #                          Kirill Smelkov <kirr@nexedi.com>
 #
 # This program is free software: you can Use, Study, Modify and Redistribute
@@ -26,7 +26,7 @@ import os
 from glob import glob
 
 def main():
-    zin  = storageFromURL("../../../zodb/storage/fs1/testdata/1.fs", read_only=True)
+    zin  = storageFromURL("../../../zodb/storage/fs1/testdata/py2_pickle3/1.fs", read_only=True)
 
     cluster = NEOCluster(db_list=["testdata/1.sqlite"], name="test", adapter="SQLite", clear_databases=True)
     cluster.start()