swap actual and expected in tester
?@ q.a ["ex-expected-pair: '{(text a)}'"]~
?: =(-.q.a +.q.a)
~
- :~ "expected: '{(text (slot 2 a))}'"
- "actual: '{(text (slot 3 a))}'"
+ :~ "expected: '{(text (slot 3 a))}'"
+ "actual: '{(text (slot 2 a))}'"
==
:> #
:> # %formatting
