def METHOD_NAME(self):
    empty_columns = {
        "snp_source": "false",
        "conservation_score": "true",
        "gene_name": "false",
        "transcript": "false",
        "exon": "false",
        "domain_2": "true",
        "function": "false",
        "function_details": "true",
    }
    strains = {"mouse": ["S1", "S2", "S3", "S4", "S5"], "rat": []}
    expected_results = (
        [
            [
                "Index",
                "SNP ID",
                "Chr",
                "Mb",
                "Alleles",
                "ConScore",
                "Domain 1",
                "Domain 2",
                "Details",
            ],
            ["S1", "S2", "S3", "S4", "S5"],
        ],
        5,
        [
            "index",
            "snp_name",
            "chr",
            "mb_formatted",
            "alleles",
            "conservation_score",
            "domain_1",
            "domain_2",
            "function_details",
            "S1",
            "S2",
            "S3",
            "S4",
            "S5",
        ],
    )
    results_with_snp = get_header_list(
        variant_type="SNP",
        strains=strains,
        species="Mouse",
        empty_columns=empty_columns,
    )
    results_with_indel = get_header_list(
        variant_type="InDel", strains=strains, species="rat", empty_columns=[]
    )
    expected_results_with_indel = (
        [
            "Index",
            "ID",
            "Type",
            "InDel Chr",
            "Mb Start",
            "Mb End",
            "Strand",
            "Size",
            "Sequence",
            "Source",
        ],
        0,
        [
            "index",
            "indel_name",
            "indel_type",
            "indel_chr",
            "indel_mb_s",
            "indel_mb_e",
            "indel_strand",
            "indel_size",
            "indel_sequence",
            "source_name",
        ],
    )
    self.assertEqual(expected_results, results_with_snp)
    self.assertEqual(expected_results_with_indel, results_with_indel)