fix test

Author: islandryu

src/inspector/dom_storage_agent.h

@@ -53,7 +53,7 @@ class DOMStorageAgent : public protocol::DOMStorage::Backend,
   std::unique_ptr<protocol::DOMStorage::Frontend> frontend_;
   std::unordered_map<std::string, std::string> local_storage_map_;
   std::unordered_map<std::string, std::string> session_storage_map_;
-  bool enabled_;
+  bool enabled_ = false;
   Environment* env_;
 };