def test_find_node_in_linked_list_tree():
root_node = BinaryTree(1)
root_node.insert(2)
root_node.insert(3)
root_node.insert(4)
root_node.insert(5)
expected = True
output = root_node.find(5)
assert output == expected
def test_find_node_not_in_full_tree():
root_node = BinaryTree(4)
root_node.insert(2)
root_node.insert(1)
root_node.insert(7)
root_node.insert(5)
root_node.insert(6)
expected = False
output = root_node.find(3)
assert output == expected
def test_find_node_not_in_one_node_tree():
root_node = BinaryTree(7)
expected = False
output = root_node.find(1)
assert output == expected