[#421] Try using badger for the write-cache

Signed-off-by: Alejandro Lopez <a.lopez@yadro.com>

pkg/local_object_storage/writecache/generic_test.go

@@ -1,30 +0,0 @@
-package writecache
-
-import (
-	"os"
-	"path/filepath"
-	"strconv"
-	"testing"
-
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/storagetest"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
-	"github.com/stretchr/testify/require"
-	"go.uber.org/zap/zaptest"
-)
-
-func TestGeneric(t *testing.T) {
-	defer func() { _ = os.RemoveAll(t.Name()) }()
-
-	var n int
-	newCache := func(t *testing.T) storagetest.Component {
-		n++
-		dir := filepath.Join(t.Name(), strconv.Itoa(n))
-		require.NoError(t, os.MkdirAll(dir, os.ModePerm))
-		return New(
-			WithLogger(&logger.Logger{Logger: zaptest.NewLogger(t)}),
-			WithFlushWorkersCount(2),
-			WithPath(dir))
-	}
-
-	storagetest.TestAll(t, newCache)
-}