  HcmUtilityTest() {
    // Although different Listeners will have separate FactoryContexts,
    // those contexts must share the same SingletonManager.
    ON_CALL(context_two_, singletonManager()).WillByDefault([&]() -> Singleton::Manager& {
      return *context_one_.singleton_manager_;
    });
  }
  HcmUtilityTest() {
     
     
    ON_CALL(context_two_, singletonManager()).WillByDefault([&]() -> Singleton::Manager& {
      return *context_one_.singleton_manager_;
    });
  }