code: def test_complex(self):
      # Long test cases
      self.optimize_compare("acdf,jbje,gihb,hfac,gfac,gifabc,hfac")
      self.optimize_compare("acdf,jbje,gihb,hfac,gfac,gifabc,hfac")
      self.optimize_compare("cd,bdhe,aidb,hgca,gc,hgibcd,hgac")
      self.optimize_compare("abhe,hidj,jgba,hiab,gab")
      self.optimize_compare("bde,cdh,agdb,hica,ibd,hgicd,hiac")
      self.optimize_compare("chd,bde,agbc,hiad,hgc,hgi,hiad")
      self.optimize_compare("chd,bde,agbc,hiad,bdi,cgh,agdb")
      self.optimize_compare("bdhe,acad,hiab,agac,hibd")
  
imports: import itertools
  import sys
  import platform
  import pytest
  import numpy
  from numpy.testing import assert_, assert_equal, assert_array_equal, assert_almost_equal, assert_raises, suppress_warnings, assert_raises_regex, assert_allclose
label_desc: Use image node_id 36 for calling the TestEinsum obj's underlying member method code with example usage: obj.test_complex() without return types