adding a new test case

Signed-off-by: Rodrigo Ribeiro <rodrigogribeiro@gmail.com>

Author: rodrigogribeiro

test/Cases.hs

@@ -187,7 +187,8 @@ cases =
     , runTestExpectingFailure "overlapping-heads.solc" caseFolder
     , runTestExpectingFailure "instance-wrong-sig.solc" caseFolder
     , runTestForFile "match-yul.solc" caseFolder
-    , runTestExpectingFailure "instance-sig.solc" caseFolder 
+    , runTestExpectingFailure "instance-sig.solc" caseFolder
+    , runTestExpectingFailure "wrong-instance.solc" caseFolder
     ]
  where
   caseFolder = "./test/examples/cases"