SONARJAVA-6392 - Modify S8694: do not raise in tests (#5627)

Author: NoemieBenard

sonar-java-plugin/src/main/resources/org/sonar/l10n/java/rules/java/S8688.json

@@ -15,7 +15,7 @@
   "defaultSeverity": "Major",
   "ruleSpecification": "RSPEC-8688",
   "sqKey": "S8688",
-  "scope": "All",
+  "scope": "Main",
   "quickfix": "unknown",
   "code": {
     "impacts": {