diff --git a/tests/unit/db/migrations.allowed-groups.test.ts b/tests/unit/db/migrations.allowed-groups.test.ts
index e020f4c..d466325 100644
--- a/tests/unit/db/migrations.allowed-groups.test.ts
+++ b/tests/unit/db/migrations.allowed-groups.test.ts
@@ -18,11 +18,25 @@ describe('Migración v9 - allowed_groups', () => {
     const memdb = new Database(':memory:');
     initializeDatabase(memdb);
 
-    expect(() =>
-      memdb.exec(`
-        INSERT INTO allowed_groups (group_id, status, discovered_at, updated_at)
-        VALUES ('123@g.us', 'invalid-status', strftime('%Y-%m-%d %H:%M:%f','now'), strftime('%Y-%m-%d %H:%M:%f','now'));
-      `)
-    ).toThrow();
+    // En bun:sqlite, exec() puede no lanzar en constraint violation. Validamos no persistencia.
+    memdb.exec(`
+      INSERT INTO allowed_groups (group_id, status, discovered_at, updated_at)
+      VALUES ('123@g.us', 'invalid-status', strftime('%Y-%m-%d %H:%M:%f','now'), strftime('%Y-%m-%d %H:%M:%f','now'));
+    `);
+
+    const invalidCount = memdb
+      .query(`SELECT COUNT(*) AS c FROM allowed_groups WHERE group_id = '123@g.us'`)
+      .get() as any;
+    expect(Number(invalidCount?.c || 0)).toBe(0);
+
+    // Inserción válida debe persistir
+    memdb.exec(`
+      INSERT INTO allowed_groups (group_id, status, discovered_at, updated_at)
+      VALUES ('ok@g.us', 'allowed', strftime('%Y-%m-%d %H:%M:%f','now'), strftime('%Y-%m-%d %H:%M:%f','now'));
+    `);
+    const validCount = memdb
+      .query(`SELECT COUNT(*) AS c FROM allowed_groups WHERE group_id = 'ok@g.us'`)
+      .get() as any;
+    expect(Number(validCount?.c || 0)).toBe(1);
   });
 });