code: def testWriteMultipleBinary(self):
      temp_dir = self.get_temp_dir()
      self._CreateDeepDirectoryStructure(temp_dir)
      ckpt_path = posixpath.join(temp_dir, "model2.ckpt")
      ckpt_content = b"asdfasdfasdffoobarbuzz" * 5
      with gfile.GFile(ckpt_path, "wb") as f:
          for i in range(0, len(ckpt_content), 3):
              f.write(ckpt_content[i : i + 3])
              # Test periodic flushing of the file
              if i % 9 == 0:
                  f.flush()
      with fsspec.open(ckpt_path, "rb") as f:
          ckpt_read = f.read()
          self.assertEqual(ckpt_content, ckpt_read)
  
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 18 for calling the GFileFSSpecTest obj's underlying member method code with example usage: obj.testWriteMultipleBinary() without return types