docstr: This tests glob with chained file systems.
docstr_tok: ["This","tests","glob","with","chained","file","systems","."]
code: def testGlobChaining(self):
      """
      This tests glob with chained file systems.
      """
      temp_dir = self.get_temp_dir()
      on_disk = temp_dir.split("://")[1]
  
      with open(posixpath.join(on_disk, "foo.txt"), "wb") as myfile:
          myfile.write(b"foo")
  
      with open(posixpath.join(on_disk, "bar.txt"), "wb") as myfile:
          myfile.write(b"bar")
  
      foo_raw = posixpath.join(temp_dir, "foo.txt")
      foo_cached = "simplecache::" + foo_raw
  
      self.assertTrue(gfile.exists(foo_raw))
      self.assertTrue(gfile.exists(foo_cached))
  
      cache_dir = "simplecache::" + temp_dir
      files = gfile.glob(posixpath.join(cache_dir, "*.txt"))
      self.assertCountEqual(
          files,
          [
              posixpath.join(cache_dir, "foo.txt"),
              posixpath.join(cache_dir, "bar.txt"),
          ],
      )
  
imports: import posixpath
  from tensorboard import test
  from tensorboard.compat.tensorflow_stub import errors
  from tensorboard.compat.tensorflow_stub.io import gfile
  import fsspec
label_desc: Use image node_id 25 for calling the GFileFSSpecTest obj's underlying member method code with example usage: obj.testGlobChaining() without return types