Apparently shellcheck does not like 'exit -1'

tests/test_versions/test.sh

@@ -182,5 +182,5 @@ fi
 if [ ! "$failed_tests" = 0 ]; then
   echo -e "\033[31mFailing tests: $failed_tests\033[0m\n" >&2
   cat test.log
-  exit -1
+  exit 1
 fi