class_docstr: Mock logging handler to check for expected logs used by
  LoggingComparisonTestCase.
  
  Messages are available from an instance's ``messages`` dict, in
  order, indexed by a lowercase log level string (e.g., 'debug',
  'info', etc.).
class_docstr_tok: ["Mock","logging","handler","to","check","for","expected","logs","used","by","LoggingComparisonTestCase",".","Messages","are","available","from","an","instance","'s","``","messages","``","dict",",","in","order",",","indexed","by","a","lowercase","log","level","string","(","e.g.",",","'debug","'",",","'info","'",",","etc",".",")","."]
code: def reset(self):
      self.acquire()
      self.messages = {
          "DEBUG": [],
          "INFO": [],
          "WARNING": [],
          "ERROR": [],
          "CRITICAL": [],
          "VERBOSE": [],
      }
      self.release()
  
file_path: holoviews/holoviews/tests/utils.py
imports: import logging
  import os
  import sys
  import param
  from holoviews.element.comparison import ComparisonTestCase
label_desc: Use image node_id 3 for calling the MockLoggingHandler obj's underlying member method code with example usage: obj.reset() without return types