code: def test_gfile_tell(local_content, remote_filename):
      """Test case to tell the current position in the http file"""
  
      remote_gfile = tf.io.gfile.GFile(remote_filename)
      assert remote_gfile.tell() == 0
      remote_gfile.read(100)
      assert remote_gfile.tell() == 100
  
file_path: io/tests/test_http.py
imports: import os
  import sys
  import pytest
  import tensorflow
  import tensorflow_io
label_desc: Use image node_id 8 for calling a global function with example usage: test_gfile_tell(local_content, remote_filename) without return types