code: def test_hash(self):
      self.assertEqual(hash(Metric("name")), hash("name"))
      self.assertEqual(hash(Metric("name", 10)), hash("name(10)"))
  
imports: from absl.testing import parameterized
  import pipeline_dp
  from pipeline_dp import budget_accounting, aggregate_params
label_desc: Use image node_id 3 for calling the MetricsTest obj's underlying member method code with example usage: obj.test_hash() without return types