Support incomplete model suffixes

tests/test_message_corpus.py

@@ -221,6 +221,7 @@ MORE_MESSAGE_BASELINE_RESULTS: dict[str, ExpectedResult] = {
     "дрель удар мощно 900 хромированый анус долбить": ("ambiguous", ("INS-0009", "INS-0023", "INS-0002")),
     "анус": ("not_found", ()),
     "долбить": ("not_found", ()),
+    "Арс-12": ("matched", ("INS-0017",)),
 }
 
 EXPECTED_RESULTS = VALIDATED_MESSAGE_RESULTS | MORE_MESSAGE_BASELINE_RESULTS