code: def setUp(self):
      FPTestEx1All.setUp(self, apriori_wrapper_low_memory)
  
imports: import unittest
  import numpy
  from test_fpbase import FPTestEdgeCases, FPTestErrors, FPTestEx1All, FPTestEx2All, FPTestEx3All
  from mlxtend.frequent_patterns import apriori
label_desc: Use image node_id 1 for calling the TestAprioriLowMemory obj's underlying member method code with example usage: obj.setUp() without return types