tracks/haskell/exercises/isbn-verifier/test/Tests.hs in trackler-2.2.1.134 vs tracks/haskell/exercises/isbn-verifier/test/Tests.hs in trackler-2.2.1.135

@@ -73,6 +73,10 @@
                }
         , Case { description = "empty isbn"
                , input       = ""
                , expected    = False
                }
+        , Case { description = "input is 9 characters"
+               , input       = "134456729"
+               , expected    = False
+               }
         ]