docstr: Tests that reservoirs with different seeds keep different
  samples.
docstr_tok: ["Tests","that","reservoirs","with","different","seeds","keep","different","samples","."]
code: def testUsesSeed(self):
      """Tests that reservoirs with different seeds keep different
      samples."""
      key = "key"
      r1 = reservoir.Reservoir(10, seed=0)
      r2 = reservoir.Reservoir(10, seed=1)
      for i in range(100):
          r1.AddItem("key", i)
          r2.AddItem("key", i)
      self.assertNotEqual(r1.Items(key), r2.Items(key))
  
imports: import tensorflow
  from tensorboard.backend.event_processing import reservoir
label_desc: Use image node_id 7 for calling the ReservoirTest obj's underlying member method code with example usage: obj.testUsesSeed() without return types