f98451e381
Follow-up to https://jetbrains.team/p/kt/reviews/12502/timeline which was incomplete for https://youtrack.jetbrains.com/issue/KT-59433/K2-Missing-NESTEDCLASSACCESSEDVIAINSTANCEREFERENCE - Fix test DefaultMessagesTest by adding a text for new diagnostic. - Move diagnostic's definition into better place Merge-request: KT-MR-12680 Merged-by: Vladimir Sukharev <Vladimir.Sukharev@jetbrains.com>