code: def test_gfile_remove(fs, patchs, monkeypatch):
      _, path_to, read, write, _, _, _ = fs
      mock_patchs(monkeypatch, patchs)
  
      fname = path_to("test_gfile_remove")
  
      body = b"123456789"
      write(fname, body)
  
      tf.io.gfile.remove(fname)
      assert tf.io.gfile.exists(fname) is False
  
      with pytest.raises(Exception):
          read(fname)
  
imports: import functools
  import os
  import posixpath
  import random
  import socket
  import sys
  import time
  from urllib.parse import urlparse
  import pytest
  import tensorflow
  import tensorflow_io
label_desc: Use image node_id 21 for calling a global function with example usage: test_gfile_remove(fs, patchs, monkeypatch) without return types