code: def test_init_comm(self):
      Comm()
  
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 1 for calling the TestComm obj's underlying member method code with example usage: obj.test_init_comm() without return types