diff --git a/resources/tester/helper_116_right_click_add.cjs b/resources/tester/helper_116_right_click_add.cjs
index cdd739d3f..d13906f8a 100644
--- a/resources/tester/helper_116_right_click_add.cjs
+++ b/resources/tester/helper_116_right_click_add.cjs
@@ -16,7 +16,10 @@ const fakeStorage = {
 globalThis.window = { sessionStorage: fakeStorage, localStorage: fakeStorage };
 globalThis.sessionStorage = fakeStorage;
 globalThis.localStorage = fakeStorage;
-const STUBS = { "@config/config_frontend": { API_BASE_URL: "/api", API_TIMEOUT_MS: 1000 } };
+const STUBS = {
+  "@config/config_frontend": { API_BASE_URL: "/api", API_TIMEOUT_MS: 1000 },
+  "./ui_template_checkbox.css": {},
+};
 
 function loadTs(file) {
   const full = path.resolve(file);
diff --git a/resources/tester/helper_54_12_live_required.cjs b/resources/tester/helper_54_12_live_required.cjs
index 4caaa0424..c0e2a1c68 100644
--- a/resources/tester/helper_54_12_live_required.cjs
+++ b/resources/tester/helper_54_12_live_required.cjs
@@ -17,7 +17,10 @@ const fakeStorage = {
 globalThis.window = { sessionStorage: fakeStorage, localStorage: fakeStorage };
 globalThis.sessionStorage = fakeStorage;
 globalThis.localStorage = fakeStorage;
-const STUBS = { "@config/config_frontend": { API_BASE_URL: "/api", API_TIMEOUT_MS: 1000 } };
+const STUBS = {
+  "@config/config_frontend": { API_BASE_URL: "/api", API_TIMEOUT_MS: 1000 },
+  "./ui_template_checkbox.css": {},
+};
 
 function loadTs(file) {
   const full = path.resolve(file);
diff --git a/resources/tester/helper_54_27_soil_tier_field.cjs b/resources/tester/helper_54_27_soil_tier_field.cjs
index abee5d6a7..3637338be 100644
--- a/resources/tester/helper_54_27_soil_tier_field.cjs
+++ b/resources/tester/helper_54_27_soil_tier_field.cjs
@@ -128,6 +128,7 @@ const PIPE_CALC = {
 };
 const STUBS = {
   "@config/config_frontend": { FORD_MANNING_N: 0.03, FORD_SLOPE: 0.02 },
+  "./ui_template_checkbox.css": {},
   "../A00_Common/design/design_structure_pipe_calc": PIPE_CALC,
   // 관 보호공 [연동] · [경사] 단추(54-30) — 여기서는 자리만 · 단 칸(90-1 공용)은 실제 파일
   "./B05_Profile_UI_Panel_Fields": { toggleButton: () => new FakeNode("button") },