def METHOD_NAME(self, tmpdir):
    """read_bed_file should read site ranges from properly formatted bed files"""
    bed_file = str(tmpdir / "temp.bed")
    bed_lines = ["SEQ\t7\t8", "SEQ\t2\t6", "SEQ\t3\t4"]
    expected_sites = [2,3,4,5,7]
    with open(bed_file, "w") as fh:
        fh.write("\n".join(bed_lines))
    assert utils.read_bed_file(bed_file) == expected_sites