code: def test_rename(self):
      with tempfile.TemporaryDirectory() as temp_dir_path:
          test_path = os.path.join(temp_dir_path, "test")
          rename1_path = os.path.join(temp_dir_path, "rename1")
          rename2_path = os.path.join(temp_dir_path, "rename2")
  
          with io.GFile(test_path, "wb") as file:
              file.write(b"placeholder text")
  
          with io.override_mode(io.BackendMode.DEFAULT):
              io.rename(test_path, rename1_path)
  
          with io.override_mode(io.BackendMode.TF):
              io.rename(rename1_path, rename2_path)
  
          with io.GFile(rename2_path, "rb") as file:
              self.assertTrue(os.path.exists(rename2_path))
  
imports: import os
  import tempfile
  import jax
  import tensorflow
  from absl.testing import absltest, parameterized
  from flax import errors, io
label_desc: Use image node_id 7 for calling the IOTest obj's underlying member method code with example usage: obj.test_rename() without return types