[#232] Use contract to get container info

Signed-off-by: Nikita Zinkevich <n.zinkevich@yadro.com>

internal/handler/handler_test.go

@@ -156,7 +156,7 @@ func prepareHandlerContextBase(logger *zap.Logger) (*handlerContext, error) {
 	if err != nil {
 		return nil, err
 	}
-	handler := New(params, cfgMock, tree.NewTree(treeMock, logger), workerPool)
+	handler := New(params, cfgMock, tree.NewTree(treeMock, logger), testFrostFS, workerPool)
 
 	return &handlerContext{
 		key:     key,