anchor.diff:  (defmethod libtest ((library-name (eql :trivial-features)))
   
     ;; The test framework used: rt.
  -  (require-impl "rt-api")
  -  (rt-api:clean)
  +  (clean-rt)
     (asdf:clear-system :trivial-features-tests)
   
     ;; Load cffi-grovel which is used in trivial-features-tests.asd,
  
positive.code: (defmethod libtest ((library-name (eql :anaphora)))
  
    ;; The test framework used: rt.
    (require-impl "rt-api")
    (rt-api:clean)
    (asdf:clear-system :anaphora-test)
    ;; anaphora-test is defined in anaphora.asd,
    ;; therefore to reload :anaphora-test
  
negative.code: (defmethod libtest ((library-name (eql :cffi)))
  
    ;; The test framework used: rt.
    (clean-rt)
    (asdf:clear-system :cffi-tests)
  
    ;; CFFI tests work with a small test C library.
  