PR #234 (issue #232, merged into this branch) bumped the Room schema 18->19 and made the MessageDao search queries match Unicode-casefolded *Fold columns. Two lane-3 tests were stale against it:
- DatabaseEncryptionTest.schemaVersionIsCarriedOntoTheEncryptedFile hardcoded the pre-#234 schema version 18; bump to 19 (matches LibreMailDatabase version = 19).
- MessageDaoTest's search-summary tests inserted MessageEntity fixtures without populating the new senderFold/senderEmailFold/subjectFold/snippetFold columns, so the casefolded LIKE matched nothing ([]). Populate them in the message() helper via lowercase(), mirroring production (Mappers.toEntity + MessageDao.updateHeaderContent/updateBody).
MigrationTest already covers 18->19 (migrate18To19_addsAndBackfillsCasefoldSearchColumns plus the auto-discovered full-chain replays), so no change there. Verified: targeted connectedDebugAndroidTest of MessageDaoTest+DatabaseEncryptionTest+MigrationTest on the API 36 emulator = 32 tests, 0 failures.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
JMR-devandClaude Opus 4.8
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