public async Task using_InvokeMessageAndWait()
{
await theHost.InvokeMessageAndWait(new CreateUser { Name = "Bill" });
using (var session = theHost.Get <IDocumentStore>().QuerySession())
{
session.Load <User>("Bill").ShouldNotBeNull();
}
theHost.Get <UserNames>()
.Names.Single().ShouldBe("Bill");
}