message: Fix mutex initialization issue in ITF
diff: @@ -87,6 +87,11 @@ namespace integration_framework {
  using TransactionBatchType = shared_model::interface::TransactionBatch;
  using TransactionBatchSPtr = std::shared_ptr<TransactionBatchType>;
  + private:
  + std::mutex queue_mu;
  + std::condition_variable queue_cond;
  +
  + public:
  /**
  * Construct test framework instance
  * @param maximum_proposal_size - Maximum number of transactions per
  @@ -504,8 +509,6 @@ namespace integration_framework {
  std::shared_ptr<shared_model::interface::Peer> this_peer_;
  private:
  - std::mutex queue_mu;
  - std::condition_variable queue_cond;
  bool cleanup_on_exit_;
  std::vector<std::shared_ptr<fake_peer::FakePeer>> fake_peers_;
  std::vector<std::unique_ptr<ServerRunner>> fake_peers_servers_;
  