docstr: Ensure that the environment is reset
code: def setup_method(self):
      """Ensure that the environment is reset"""
      self.env = os.environ.copy()
      return
  
imports: import sys, platform, re, pytest
  from numpy._core._multiarray_umath import __cpu_features__, __cpu_baseline__, __cpu_dispatch__
  import numpy
  import subprocess
  import pathlib
  import os
  import re
label_desc: Use image node_id 4 for calling the TestEnvPrivation obj's underlying member method code with example usage: obj.setup_method() without return types