test(integration): cover query failure state cleanup

Makefile

@@ -25,11 +25,6 @@
 #   localhost because Database.php's DSN has no port field; stop any local
 #   server on those ports first (db-up aborts naming the port).
 #
-#   Known red: ModelFilterTest::orderByRandReturnsEveryRow fails on the
-#   sqlite and pgsql legs BY DESIGN until the core RAND translation is fixed
-#   (finding F1 in openspec/changes/*/add-multi-engine-model-tests/findings.md);
-#   the mysql leg passes it and everything else.
-#
 # Publishing ritual (human only — AI agents must never run it; it commits):
 #   1. make publish MSG="feat: ..."   (MSG optional, defaults to "sync: <date>")
 #   2. review the new master commit (git log -1 refs/heads/master); if the