code: def test_load_env_changes():
      old_val = str(DEFAULT_ANYSCALE_PROJECT)
  
      env_dict = load_environment("aws")
      populate_os_env(env_dict)
  
      new_val = str(DEFAULT_ANYSCALE_PROJECT)
  
      assert new_val
      assert old_val != new_val
      assert "prj_" in new_val
  
file_path: ray/release/ray_release/tests/test_env.py
imports: import os
  import pytest
  from ray_release.config import DEFAULT_ANYSCALE_PROJECT
  from ray_release.env import load_environment, populate_os_env
  from ray_release.exception import ReleaseTestConfigError
  from ray_release.util import DeferredEnvVar
label_desc: Use image node_id 3 for calling a global function with example usage: test_load_env_changes() without return types