public void TestInitialize()
{
app = new WindowsAppFriend(Process.Start("Target.exe"));
WindowsAppExpander.LoadAssembly(app, GetType().Assembly);
dynamic win = app.Type(typeof(Application)).Current.MainWindow;
dynamic grid = win._grid;
dynamic target = app.Type<PasswordBox>()();
grid.Children.Add(target);
password = new WPFPasswordBox(target);
window = new WindowControl(win);
}