code: def test_add_text():
      # this will generate an event file under _LOGDIR and
      # a json file called tensors.json under _LOGDIR/plugins/tensorboard_text/tensors.json
      sw = SummaryWriter(logdir=_LOGDIR)
      sw.add_text(tag="test_add_text", text="Hello MXNet!")
      sw.close()
      check_and_remove_logdir_for_text()
  
imports: import shutil
  from mxboard import SummaryWriter
  from mxboard.utils import _make_metadata_tsv, make_image_grid, _make_sprite_image
  from mxboard.utils import _add_embedding_config, _save_embedding_tsv, _get_embedding_dir
  from mxboard.summary import _get_nodes_from_symbol, _net2pb
  from mxboard.proto.node_def_pb2 import NodeDef
  from mxboard.proto.attr_value_pb2 import AttrValue
  from mxboard.proto.graph_pb2 import GraphDef
  from mxboard.proto.versions_pb2 import VersionDef
  from mxnet.test_utils import *
  from mxnet.gluon import nn
  import mxnet
  from common import with_seed, setup_module
  from nose.tools import make_decorator
label_desc: Use image node_id 25 for calling a global function with example usage: test_add_text() without return types