def METHOD_NAME(self):
    self.args += [
        "--grid",
        "base=GLOBAL_MERCATOR min_res=100000",
        "--dest",
        self.dest,
        "--levels",
        "1",
        "--source",
        "tms_cache",
        "--fetch-missing-tiles",
    ]
    with tile_server(
        [
            (0, 3, 2),
            (1, 3, 2),
            (2, 3, 2),
            (3, 3, 2),
            (0, 2, 2),
            (1, 2, 2),
            (2, 2, 2),
            (3, 2, 2),
            (0, 1, 2),
            (1, 1, 2),
            (2, 1, 2),
            (3, 1, 2),
            (0, 0, 2),
            (1, 0, 2),
            (2, 0, 2),
            (3, 0, 2),
        ]
    ):
        with capture() as (out, err):
            export_command(self.args)
    assert os.path.exists(os.path.join(self.dest, "tile_locks"))
    assert os.path.exists(os.path.join(self.dest, "1", "0", "0.png"))
    assert os.path.exists(os.path.join(self.dest, "1", "3", "3.png"))