code: def test_round_raise(self, period):
      with self.assertRaisesRegex(
          ValueError, "Restart period should be equal or larger than 1"
      ):
          restart_query.PeriodicRoundRestartIndicator(period)
  
imports: import unittest
  from absl.testing import parameterized
  import tensorflow
  from tensorflow_privacy.privacy.dp_query import restart_query
  from tensorflow_privacy.privacy.dp_query import tree_aggregation_query
label_desc: Use image node_id 2 for calling the RoundRestartIndicatorTest obj's underlying member method code with example usage: obj.test_round_raise(period) without return types