public void CreateSelection()
{
selection = new TestSelection();
selection.Add(MakeTestNode("1", "Tom", "Passed"));
selection.Add(MakeTestNode("2", "Dick", "Failed"));
selection.Add(MakeTestNode("3", "Harry", "Passed"));
}
private void Accumulate(TestSelection selection, TestNode testNode, TestNodePredicate predicate)
{
if (predicate(testNode))
selection.Add(testNode);
else if (testNode.IsSuite)
foreach (TestNode child in testNode.Children)
Accumulate(selection, child, predicate);
}