code: def testComplexChaining(self):
      path = "simplecache::zip://*::file://banana/bar"
      with self.assertRaisesRegex(
          errors.InvalidArgumentError,
          "fsspec URL must only have paths in the last chained filesystem",
      ):
          gfile.exists(path)
  
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 24 for calling the GFileFSSpecTest obj's underlying member method code with example usage: obj.testComplexChaining() without return types