code: def test_lax_cond(self, filter_mode):
      def err(_):
          assert False
          return ()
  
      def f():
          return lax.cond(True, err, lambda _: (), ())
  
      check_filtered_stack_trace(
          self,
          AssertionError,
          f,
          [
              ("f", "return lax.cond(True, err, lambda _: (), ())"),
              ("err", "assert False"),
          ],
          filter_mode=filter_mode,
      )
  
imports: import re
  import sys
  import traceback
  from absl.testing import absltest
  from absl.testing import parameterized
  import jax
  import jax.numpy
  from jax import grad, jit, vmap, lax
  from jax._src import config
  from jax._src import core
  from jax._src import source_info_util
  from jax._src import test_util
  from jax._src import traceback_util
label_desc: Use image node_id 4 for calling the FilteredTracebackTest obj's underlying member method code with example usage: obj.test_lax_cond(filter_mode) and returns: , lax