From 55fad6979b72551aa2663fad9aadfa26fe598ade Mon Sep 17 00:00:00 2001
From: lm <mao.li@uisee.com>
Date: Fri, 25 Jul 2025 10:54:38 +0800
Subject: [PATCH] fix test compile error

add filesystem header
---
 tests/dynamics_model/test_lti_system.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/dynamics_model/test_lti_system.cpp b/tests/dynamics_model/test_lti_system.cpp
index b6011478..e459ae50 100644
--- a/tests/dynamics_model/test_lti_system.cpp
+++ b/tests/dynamics_model/test_lti_system.cpp
@@ -21,6 +21,7 @@
 #include "gtest/gtest.h"
 #include <unsupported/Eigen/MatrixFunctions>
 #include "dynamics_model/lti_system.hpp"
+#include <filesystem>
 
 namespace fs = std::filesystem;
 using namespace cddp;