code: def test_missing_sample_id_field(spark):
      df = (
          spark.read.format("vcf")
          .option("includeSampleIds", "false")
          .load("test-data/combined.chr20_18210071_18210093.g.vcf")
      )
      with pytest.raises(AnalysisException):
          wgr_functions.get_sample_ids(df)
  
file_path: glow/python/glow/wgr/tests/test_sample_id_extraction.py
imports: import pytest
  from pyspark.sql import Row
  from pyspark.sql.utils import AnalysisException
  from glow.wgr import wgr_functions
label_desc: Use image node_id 3 for calling a global function with example usage: test_missing_sample_id_field(spark) without return types