code: def test_tlocus_schema_from_rg_matches_scala(self):
      def locus_from_import_vcf(rg: Optional[str]) -> HailType:
          return hl.import_vcf(
              resource("sample2.vcf"), reference_genome=rg
          ).locus.dtype
  
      assert tlocus._schema_from_rg(None) == locus_from_import_vcf(None)
      assert tlocus._schema_from_rg("GRCh37") == locus_from_import_vcf(
          "GRCh37"
      )
      assert tlocus._schema_from_rg("GRCh38") == locus_from_import_vcf(
          "GRCh38"
      )
      assert tlocus._schema_from_rg("GRCm38") == locus_from_import_vcf(
          "GRCm38"
      )
      assert tlocus._schema_from_rg("CanFam3") == locus_from_import_vcf(
          "CanFam3"
      )
      assert tlocus._schema_from_rg("default") == locus_from_import_vcf(
          "default"
      )
  
imports: from typing import Optional
  import unittest
  from hail.expr import coercer_from_dtype
  from hail.expr.types import *
  from hail.genetics import reference_genome
  from ..helpers import *
  from hail.utils.java import Env
label_desc: Use image node_id 11 for calling the Tests obj's underlying member method code with example usage: obj.test_tlocus_schema_from_rg_matches_scala() and returns: hl