docstr: Test the stage ids are available and incrementing as expected.
docstr_tok: ["Test","the","stage","ids","are","available","and","incrementing","as","expected","."]
code: def test_stage_id(self):
      """Test the stage ids are available and incrementing as expected."""
      rdd = self.sc.parallelize(range(10))
      stage1 = rdd.map(lambda x: TaskContext.get().stageId()).take(1)[0]
      stage2 = rdd.map(lambda x: TaskContext.get().stageId()).take(1)[0]
      # Test using the constructor directly rather than the get()
      stage3 = rdd.map(lambda x: TaskContext().stageId()).take(1)[0]
      self.assertEqual(stage1 + 1, stage2)
      self.assertEqual(stage1 + 2, stage3)
      self.assertEqual(stage2 + 1, stage3)
  
imports: import os
  import random
  import stat
  import sys
  import tempfile
  import time
  import unittest
  from pyspark import SparkConf, SparkContext, TaskContext, BarrierTaskContext
  from pyspark.testing.utils import PySparkTestCase, SPARK_HOME, eventually
label_desc: Use image node_id 2 for calling the TaskContextTests obj's underlying member method code with example usage: obj.test_stage_id() without return types