def test_insert_01():
    """Test insert function to populated queue."""
    from priority import Priority
    new_p_q = Priority([("monkey", 1), ("dog", 1)])
    new_p_q.insert("cat", 2)
    assert new_p_q.priority_queue[2] == ["cat"]
def test_insert():
    """Test insert function to empty queue."""
    from priority import Priority
    new_p_q = Priority()
    new_p_q.insert("monkey", 1)
    assert new_p_q.priority_queue[1] == ["monkey"]