code: def testParseTensorNameWithInvalidSlotRaisesValueError(self):
      with self.assertRaises(ValueError):
          debug_data_multiplexer.parse_tensor_name("Unpack:10:10")
  
file_path: tensorboard/tensorboard/plugins/debugger_v2/debug_data_multiplexer_test.py
imports: import threading
  import time
  import tensorflow
  from tensorboard.plugins.debugger_v2 import debug_data_multiplexer
label_desc: Use image node_id 4 for calling the ParseTensorNameTest obj's underlying member method code with example usage: obj.testParseTensorNameWithInvalidSlotRaisesValueError() without return types