code: def test_metaphone_token(self):
      assert fn.metaphoneToken("i") == {"A"}
      assert fn.metaphoneToken("don ald") == {"TN", "ALT"}
      assert fn.metaphoneToken("goo fy") == {"K", "F"}
      assert fn.metaphoneToken("cip ciop") == {"SP", "XP"}
  
imports: import unittest
  from dedupe import predicate_functions
  from dedupe.cpredicates import ngrams
label_desc: Use image node_id 24 for calling the TestPredicateFunctions obj's underlying member method code with example usage: obj.test_metaphone_token() without return types