public void IHandleShowDependenciesActivatesReverseDependecies()
{
CreateFullExportsAndVm();
var msg = new ShowDependenciesMessage(FirstResource.Object, true);
MainViewModel.Handle(msg);
Assert.AreEqual(MainViewModel.ActiveItem.WorkSurfaceKey.WorkSurfaceContext, WorkSurfaceContext.ReverseDependencyVisualiser);
}