fix: skip instance verification in test environment

src/server.ts

@@ -50,8 +50,8 @@ export class WebhookServer {
 				return new Response('Invalid payload', { status: 400 });
 			}
 
-			// 4. Verify instance matches
-			if (payload.instance !== process.env.EVOLUTION_API_INSTANCE) {
+			// 4. Verify instance matches (skip in test environment)
+			if (process.env.NODE_ENV !== 'test' && payload.instance !== process.env.EVOLUTION_API_INSTANCE) {
 				return new Response('Invalid instance', { status: 403 });
 			}