code: def test_scoped_tag(self):
      with tf.name_scope("scope"):
          self.assertEqual(
              "scope/a", self.text("a", "foo").value[0].tag
          )
  
imports: import glob
  import os
  import numpy
  import tensorflow
  from tensorboard.compat import tf2
  from tensorboard.compat.proto import summary_pb2
  from tensorboard.plugins.text import metadata
  from tensorboard.plugins.text import summary
  from tensorboard.util import tensor_util
label_desc: Use image node_id 5 for calling the SummaryV2OpTest obj's underlying member method code with example usage: obj.test_scoped_tag() without return types