ViewModelTestsBase.cs

[TestFixture]
public abstract class ViewModelTestsBase
{
    protected ITinyMessengerHub MessengerHub { get; private set; }
    protected MockMvxViewDispatcher Dispatcher { get; private set; }

    [SetUp]
    public void SetUp()
    {
        MvxOpenNetCfContainer.ClearAllSingletons();
        MvxOpenNetCfServiceProviderSetup.Initialize();

		MessageHub = new TinyMessengerHub();
        this.RegisterServiceInstance<ITinyMessengerHub>(MessageHub);

        Dispatcher = new MockMvxViewDispatcher();
        var mockNavigationProvider = new MockMvxViewDispatcherProvider();
        mockNavigationProvider.Dispatcher = Dispatcher;
        MvxOpenNetCfContainer.Instance.RegisterServiceInstance<IMvxViewDispatcherProvider>(mockNavigationProvider);
    }
}