test: add const/let to eval_messages
Append test for const and let , to evail_messages file Replace old PR #30490
Checklist
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vcbuild test
(Windows) passes -
commit message follows commit guidelines
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Append test for const and let , to evail_messages file Replace old PR #30490
vcbuild test
(Windows) passes