test: CI 연결 테스트

Author: HYEONSIKOH

src/main/java/org/dfbf/soundlink/global/Controller.java

@@ -14,6 +14,6 @@ public class Controller {
     // health check
     @GetMapping("/health")
     public ResponseResult health() {
-        return new ResponseResult(ErrorCode.SUCCESS,"ok2");
+        return new ResponseResult(ErrorCode.SUCCESS,"ok");
     }
 }