public async Task CloseForwarded()
{
var connectionHandler = Mock.Of <IConnectionRegistry>();
var twinHandler = Mock.Of <ITwinHandler>();
var m2mHandler = Mock.Of <IModuleToModuleMessageHandler>();
var c2dHandler = Mock.Of <ICloud2DeviceMessageHandler>();
var directMethodHandler = Mock.Of <IDirectMethodHandler>();
var identity = new DeviceIdentity("hub", "device_id");
Mock.Get(connectionHandler)
.Setup(h => h.CloseConnectionAsync(It.Is <IIdentity>(i => i == identity)))
.Returns(Task.CompletedTask);
var sut = new DeviceProxy(identity, true, connectionHandler, twinHandler, m2mHandler, c2dHandler, directMethodHandler);
await sut.CloseAsync(new Exception());
Mock.Get(connectionHandler).VerifyAll();
}