code: def test_name(self):
      with hk.variables():
          v = tf.Variable(tf.ones([]), name="v")
      self.assertEqual(v.name, "v:0")
  
imports: from absl.testing import parameterized
  import sonnet
  from sonnet.src import test_utils
  from sonnet.src.functional import haiku
  import tensorflow
  import tree
label_desc: Use image node_id 3 for calling the TensorVariableTest obj's underlying member method code with example usage: obj.test_name() without return types