[#609] Replace zaptest.NewLogger() with zap.L()

Semantic patch:
```
@@
@@
-import "go.uber.org/zap/zaptest"
+import "go.uber.org/zap"

-zaptest.NewLogger(t)
+zap.L()
```

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

pkg/local_object_storage/engine/error_test.go

@@ -21,7 +21,7 @@ import (
 	cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
 	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
 	"github.com/stretchr/testify/require"
-	"go.uber.org/zap/zaptest"
+	"go.uber.org/zap"
 )
 
 const errSmallSize = 256
@@ -56,7 +56,7 @@ func newEngineWithErrorThreshold(t testing.TB, dir string, errThreshold uint32)
 				largeFileStorage: largeFileStorage,
 			}
 			return []shard.Option{
-				shard.WithLogger(&logger.Logger{Logger: zaptest.NewLogger(t)}),
+				shard.WithLogger(&logger.Logger{Logger: zap.L()}),
 				shard.WithBlobStorOptions(blobstor.WithStorages(storages)),
 				shard.WithMetaBaseOptions(
 					meta.WithPath(filepath.Join(dir, fmt.Sprintf("%d.metabase", id))),