code: def test_gvcf(spark, tmp_path):
      input_vcf = "test-data/NA12878_21_10002403.g.vcf"
      hail_df = functions.from_matrix_table(hl.import_vcf(input_vcf))
      _assert_lossless_adapter(
          spark, tmp_path, hail_df, input_vcf, "vcf", "vcf"
      )
  
file_path: glow/python/glow/hail/tests/test_from_matrix_table.py
imports: from glow.hail import functions
  import hail
  from pyspark.sql import functions
  from pyspark.sql.types import ArrayType, StructType
  import pytest
label_desc: Use image node_id 4 for calling a global function with example usage: test_gvcf(spark, tmp_path) without return types