code: def test_scoped_tag(self):
      with tf.name_scope("scope"):
          self.assertEqual("scope/a", self.scalar("a", 1).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.scalar import metadata
  from tensorboard.plugins.scalar 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