code: def test_set(self):
      s1 = predicates.SimplePredicate(
          predicates.wholeSetPredicate, "foo"
      )
      colors = {"red", "blue", "green"}
      assert s1({"foo": colors}) == {str(colors)}
  
imports: import unittest
  from dedupe import predicates
label_desc: Use image node_id 2 for calling the TestPuncStrip obj's underlying member method code with example usage: obj.test_set() without return types