code: def test_init_comm_id(self):
      comm = Comm(id="Test")
      self.assertEqual(comm.id, "Test")
  
file_path: holoviews/holoviews/tests/plotting/test_comms.py
imports: from pyviz_comms import Comm, JupyterComm
  from holoviews.element.comparison import ComparisonTestCase
label_desc: Use image node_id 2 for calling the TestComm obj's underlying member method code with example usage: obj.test_init_comm_id() without return types