Wired-MIDI test: one check, whether or not config.json already has it

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/test_status_panel.py

@@ -474,7 +474,8 @@ class TestChecks(unittest.TestCase):
         self.snap.midi["NA Ingest"]["peers"].pop()
         self.assertEqual([r.level for _, r in sp.check_midi_wired(chk, self.snap, self.ctx)], [sp.OK])
         cfg = json.loads(json.dumps(CONFIG))
-        next(t for t in cfg["tiles"] if t["id"] == "midi")["checks"].append(dict(chk))
+        midi = next(t for t in cfg["tiles"] if t["id"] == "midi")
+        midi["checks"] = [c for c in midi["checks"] if c["type"] != "midi_wired"] + [dict(chk)]   # one, wherever it came from
         import schema
         self.assertEqual([e for e in schema.validate(cfg)[0] if "wired" in e], [])
         next(t for t in cfg["tiles"] if t["id"] == "midi")["checks"][-1]["nets"] = ["wifi"]