code: def test_env_scope():
      env = vta.get_env()
      cfg = env.cfg_dict
      cfg["TARGET"] = "xyz"
      with vta.Environment(cfg):
          assert vta.get_env().TARGET == "xyz"
      assert vta.get_env().TARGET == env.TARGET
  
label_desc: Use image node_id 2 for calling a global function with example usage: test_env_scope() without return types