class_docstr: This class tests the crypten.nn.tensorboard package.
code: def test_tensorboard(self) -> None:
      # create small crypten model:
      model = crypten.nn.Graph("input", "output")
      model.add_module("intermediate1", crypten.nn.ReLU(), ["input"])
      model.add_module("intermediate2", crypten.nn.Constant(1), [])
      model.add_module(
          "output", crypten.nn.Add(), ["intermediate1", "intermediate2"]
      )
  
      # create tensorboard graph:
      tensorboard.graph(model)
      self.assertTrue(True, "creation of tensorboard graph failed")
  
file_path: CrypTen/test/test_tensorboard.py
imports: import unittest
  import crypten
  import crypten.nn.tensorboard
  from test.multiprocess_test_case import MultiProcessTestCase
label_desc: Use image node_id 2 for calling the TestTensorboard obj's underlying member method code with example usage: obj.test_tensorboard() without return types