docstr: Tests that the reservoir is deterministic.
docstr_tok: ["Tests","that","the","reservoir","is","deterministic","."]
code: def testDeterminism(self):
      """Tests that the reservoir is deterministic."""
      key = "key"
      r1 = reservoir.Reservoir(10)
      r2 = reservoir.Reservoir(10)
      for i in range(100):
          r1.AddItem("key", i)
          r2.AddItem("key", i)
  
      self.assertEqual(r1.Items(key), r2.Items(key))
  
imports: import tensorflow
  from tensorboard.backend.event_processing import reservoir
label_desc: Use image node_id 5 for calling the ReservoirTest obj's underlying member method code with example usage: obj.testDeterminism() without return types