def METHOD_NAME(self):
    """test clubak (tree mode --tree)"""
    outfmt = "---------------\n%s\n---------------\n bar\n"
    self._clubak_t(["--tree"], "foo: bar\n", outfmt % "foo")
    self._clubak_t(["--tree", "-L"], "foo: bar\n", "foo:\n bar\n")
    input = """foo1:bar