code: def _test_run_tag(self, run_tag_filter, run, tag):
      runs = run_tag_filter.runs
      if runs is not None and run not in runs:
          return False
      tags = run_tag_filter.tags
      if tags is not None and tag not in tags:
          return False
      return True
  
imports: import base64
  import collections
  import json
  import random
  from tensorboard import errors
  from tensorboard.compat.proto import summary_pb2
  from tensorboard.data import provider
  from tensorboard.util import tb_logging
  from tensorboard.util import tensor_util
label_desc: Use image node_id 6 for calling the MultiplexerDataProvider obj's underlying member method code with example usage: obj._test_run_tag(run_tag_filter, run, tag) and returns: True, False, False