def METHOD_NAME(self):
    """
    Default behavior is to look for an integer appearing at head of line
    """
    with open(self.f.name, 'w') as f:
        f.write("hello 5.777 good to see you")
    actual_count = pavelib.quality._get_count_from_last_line(self.f.name, "foo")  # pylint: disable=protected-access
    assert actual_count is None