public void Extension_is_singleton_within_actor_system()
{
using (ActorSystem system = ActorSystem.Create("Test", TestConfigurations.Default))
{
ReactiveApi reactiveApi1 = system.Reactive();
Assert.NotNull(reactiveApi1);
ReactiveApi reactiveApi2 = system.Reactive();
Assert.NotNull(reactiveApi2);
Assert.Same(reactiveApi1, reactiveApi2);
system.Terminate();
system.WhenTerminated.Wait();
}
}