public async Task WhenCredentialsValid_ThenConnectingSucceeds(
            [Values(RdpConnectionBarState.AutoHide, RdpConnectionBarState.Off, RdpConnectionBarState.Pinned)]
            RdpConnectionBarState connectionBarState,

            [Values(RdpDesktopSize.ClientSize, RdpDesktopSize.ScreenSize)]
            RdpDesktopSize desktopSize,

            [Values(RdpAudioMode.DoNotPlay, RdpAudioMode.PlayLocally, RdpAudioMode.PlayOnServer)]
            RdpAudioMode audioMode,

            [Values(RdpRedirectClipboard.Disabled, RdpRedirectClipboard.Enabled)]
            RdpRedirectClipboard redirectClipboard,

            // Use a slightly larger machine type as all this RDP'ing consumes a fair
            // amount of memory.
            [WindowsInstance(MachineType = "n1-standard-2")] InstanceRequest testInstance)
        {
            await testInstance.AwaitReady();

            using (var tunnel = RdpTunnel.Create(testInstance.InstanceReference))
                using (var gceAdapter = new ComputeEngineAdapter(this.serviceProvider.GetService <IAuthorizationService>()))
                {
                    var credentials = await gceAdapter.ResetWindowsUserAsync(
                        testInstance.InstanceReference,
                        "test",
                        CancellationToken.None);

                    var rdpService = new RemoteDesktopService(this.serviceProvider);
                    var session    = rdpService.Connect(
                        testInstance.InstanceReference,
                        "localhost",
                        (ushort)tunnel.LocalPort,
                        new VmInstanceSettings()
                    {
                        Username            = credentials.UserName,
                        Password            = credentials.SecurePassword,
                        ConnectionBar       = connectionBarState,
                        DesktopSize         = desktopSize,
                        AudioMode           = audioMode,
                        RedirectClipboard   = redirectClipboard,
                        AuthenticationLevel = RdpAuthenticationLevel.NoServerAuthentication,
                        BitmapPersistence   = RdpBitmapPersistence.Disabled
                    });

                    AwaitEvent <RemoteDesktopConnectionSuceededEvent>();
                    Assert.IsNull(this.ExceptionShown);


                    RemoteDesktopWindowClosedEvent expectedEvent = null;

                    this.serviceProvider.GetService <IEventService>()
                    .BindHandler <RemoteDesktopWindowClosedEvent>(e =>
                    {
                        expectedEvent = e;
                    });
                    session.Close();

                    Assert.IsNotNull(expectedEvent);
                }
        }
        public async Task WhenCredentialsValid_ThenConnectingSucceeds(
            [Values(RdpConnectionBarState.AutoHide, RdpConnectionBarState.Off, RdpConnectionBarState.Pinned)]
            RdpConnectionBarState connectionBarState,

            [Values(RdpDesktopSize.ClientSize, RdpDesktopSize.ScreenSize)]
            RdpDesktopSize desktopSize,

            [Values(RdpAudioMode.DoNotPlay, RdpAudioMode.PlayLocally, RdpAudioMode.PlayOnServer)]
            RdpAudioMode audioMode,

            [Values(RdpRedirectClipboard.Disabled, RdpRedirectClipboard.Enabled)]
            RdpRedirectClipboard redirectClipboard,

            // Use a slightly larger machine type as all this RDP'ing consumes a fair
            // amount of memory.
            [WindowsInstance(MachineType = "n1-standard-2")] ResourceTask <InstanceLocator> testInstance,
            [Credential(Role = PredefinedRole.IapTunnelUser)] ResourceTask <ICredential> credential)
        {
            var locator = await testInstance;

            using (var tunnel = RdpTunnel.Create(
                       locator,
                       await credential))
                using (var gceAdapter = new ComputeEngineAdapter(this.serviceProvider.GetService <IAuthorizationAdapter>()))
                {
                    var credentials = await gceAdapter.ResetWindowsUserAsync(
                        locator,
                        CreateRandomUsername(),
                        TimeSpan.FromSeconds(60),
                        CancellationToken.None);

                    var settings = VmInstanceConnectionSettings.CreateNew(
                        locator.ProjectId,
                        locator.Name);
                    settings.Username.StringValue          = credentials.UserName;
                    settings.Password.Value                = credentials.SecurePassword;
                    settings.ConnectionBar.EnumValue       = connectionBarState;
                    settings.DesktopSize.EnumValue         = desktopSize;
                    settings.AudioMode.EnumValue           = audioMode;
                    settings.RedirectClipboard.EnumValue   = redirectClipboard;
                    settings.AuthenticationLevel.EnumValue = RdpAuthenticationLevel.NoServerAuthentication;
                    settings.BitmapPersistence.EnumValue   = RdpBitmapPersistence.Disabled;

                    var rdpService = new RemoteDesktopConnectionBroker(this.serviceProvider);
                    var session    = rdpService.Connect(
                        locator,
                        "localhost",
                        (ushort)tunnel.LocalPort,
                        settings);

                    AwaitEvent <ConnectionSuceededEvent>();
                    Assert.IsNull(this.ExceptionShown);


                    ConnectionClosedEvent expectedEvent = null;

                    this.serviceProvider.GetService <IEventService>()
                    .BindHandler <ConnectionClosedEvent>(e =>
                    {
                        expectedEvent = e;
                    });
                    session.Close();

                    Assert.IsNotNull(expectedEvent);
                }
        }