normalize for Fail printing locations

test-normalizer.sed

@@ -4,3 +4,5 @@ s/(simple_intropattern)/(intropattern)/g
 s/subgoal/goal/g
 # merge with subsequent line for https://github.com/coq/coq/pull/14999
 /[0-9]* focused goals\?$/{N;s/\n */ /;}
+# locations in Fail added in https://github.com/coq/coq/pull/15174
+/^File/d