code: def test_ifilter_final(self):
      self.run_test(
          "def ifilter_final(l0): return list(filter(lambda x: x < 2, l0))",
          [0, 1, 2, 3, 4, 5],
          ifilter_final=[List[int]],
      )
  
imports: from pythran.tests import TestEnv
  import unittest
  import numpy
  from pythran.typing import List, NDArray
label_desc: Use image node_id 7 for calling the TestItertools obj's underlying member method code with example usage: obj.test_ifilter_final() without return types