def test_find_not_in_tree(self):
tree = BinarySearchTree()
tree.add_child(5)
tree.add_child(1)
tree.add_child(4)
tree.add_child(7)
tree.add_child(9)
tree.add_child(6)
self.assertEqual(tree.find(8), False)
self.assertEqual(tree.find(2), False)
def test_find_in_tree(self):
tree = BinarySearchTree()
tree.add_child(5)
tree.add_child(1)
tree.add_child(4)
tree.add_child(7)
tree.add_child(9)
tree.add_child(6)
self.assertEqual(tree.find(4), True)
self.assertEqual(tree.find(6), True)
