def METHOD_NAME(self):
    """test clubak (fast mode --fast)"""
    outfmt = "---------------\n%s\n---------------\n bar\n"
    self._clubak_t(["--fast"], "foo: bar\n", outfmt % "foo")
    self._clubak_t(["-b", "--fast"], "foo: bar\n", outfmt % "foo")
    self._clubak_t(["-b", "--fast"], "foo2: bar\nfoo1: bar\nfoo4: bar", outfmt % "foo[1-2,4] (3)")
    # check conflicting options
    self._clubak_t(["-L", "--fast"], "foo2: bar\nfoo1: bar\nfoo4: bar", '', 2, "error: incompatible tree options\n")