class_docstr: Tests the TensorBoard program.
code: def testPlugins_invalidType(self):
      plugin_instance = core_plugin.CorePlugin(base_plugin.TBContext())
      with self.assertRaisesRegex(TypeError, "CorePlugin"):
          tb = program.TensorBoard(
              plugins=[plugin_instance],
              assets_zip_provider=fake_asset_provider,
          )
  
imports: import argparse
  import io
  import sys
  from unittest import mock
  from tensorboard import program
  from tensorboard import test
  from tensorboard.plugins import base_plugin
  from tensorboard.plugins.core import core_plugin
label_desc: Use image node_id 4 for calling the TensorBoardTest obj's underlying member method code with example usage: obj.testPlugins_invalidType() without return types