Fix params file path

nav2_system_tests/src/system/test_system_launch.py

@@ -32,7 +32,7 @@ def generate_launch_description():
     map_yaml_file = os.getenv('TEST_MAP')
     world = os.getenv('TEST_WORLD')
     bringup_package = get_package_share_directory('nav2_bringup')
-    params_file = os.path.join(bringup_package, 'launch/nav2_params.yaml')
+    params_file = os.path.join(bringup_package, 'params/nav2_params.yaml')
     astar = (os.getenv('ASTAR').lower() == 'true')
     bt_navigator_install_path = get_package_prefix('nav2_bt_navigator')
     bt_navigator_xml = os.path.join(bt_navigator_install_path,