code: def _spark_builder():
      return (
          SparkSession.builder.master("local[2]")
          .config("spark.ui.enabled", "false")
          .config("spark.sql.execution.arrow.pyspark.enabled", "true")
      )
  
file_path: glow/conftest.py
imports: import numpy
  from pyspark.sql import SparkSession
  import pytest
  import os
label_desc: Use image node_id 1 for calling a global function with example usage: _spark_builder() and returns: SparkSession