void TestHitTest(Point pt, AutomationWrapper parent, AutomationWrapper expected)
{
AutomationWrapper obj = parent.HitTest(pt.X, pt.Y);
if (obj.Name != expected.Name) {
throw new ApplicationException(
string.Format("Found node '{0}' at {1},{2} instead of node '{3}'",
obj.Name, pt.X.ToString(), pt.Y.ToString(), expected.Name)
);
}
}