code: def test_variance_increases_with_lambda(self, lambda1, lambda2):
      (_, var1) = estimate_advantage_bias_and_variance(
          advantages.td_lambda, lambda_=lambda1
      )
      (_, var2) = estimate_advantage_bias_and_variance(
          advantages.td_lambda, lambda_=lambda2
      )
      self.assertLess(var1, var2)
  
file_path: trax/trax/rl/advantages_test.py
imports: import functools
  from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  from trax.rl import advantages
label_desc: Use image node_id 8 for calling the AdvantagesTest obj's underlying member method code with example usage: obj.test_variance_increases_with_lambda(lambda1, lambda2) without return types