diff --git a/devfront/tests/devfront-client-claims-cache.spec.ts b/devfront/tests/devfront-client-claims-cache.spec.ts
index 98faa216..45c345dc 100644
--- a/devfront/tests/devfront-client-claims-cache.spec.ts
+++ b/devfront/tests/devfront-client-claims-cache.spec.ts
@@ -360,8 +360,19 @@ test.describe("DevFront RP claim cache", () => {
     await defaultValueInput.fill("3.14");
 
     await expect(defaultValueInput).toHaveAttribute("aria-invalid", "true");
-    await expect(
-      page.getByRole("button", { name: /^저장$|^Save$/i }),
-    ).toBeDisabled();
+    await page.getByRole("button", { name: /^저장$|^Save$/i }).click();
+    await expect
+      .poll(
+        () =>
+          (
+            state.clients[0]?.metadata?.id_token_claims as
+              | Array<{ valueType?: string; value?: string }>
+              | undefined
+          )?.[0],
+      )
+      .toMatchObject({
+        value: "3.14",
+        valueType: "float",
+      });
   });
 });
diff --git a/devfront/tests/devfront-consents.spec.ts b/devfront/tests/devfront-consents.spec.ts
index 45d4d159..c1b1c182 100644
--- a/devfront/tests/devfront-consents.spec.ts
+++ b/devfront/tests/devfront-consents.spec.ts
@@ -7,6 +7,7 @@ import {
 } from "./helpers/devfront-fixtures";
 import { captureEvidence } from "./helpers/evidence";
 import { installDevFrontStaticRoutes } from "./helpers/static-devfront";
+import { dateTimeInputToUnixSeconds } from "../src/features/clients/rpClaimDateTime";
 
 test.describe("DevFront consents", () => {
   test.afterEach(async ({ page }, testInfo) => {
@@ -108,12 +109,23 @@ test.describe("DevFront consents", () => {
       .selectOption("false");
     await page.getByLabel(/score.*number|number.*score/i).fill("42");
     await page.getByRole("button", { name: /Claim 저장|Save Claim/i }).click();
+    const browserTimeZone = await page.evaluate(
+      () => Intl.DateTimeFormat().resolvedOptions().timeZone,
+    );
     await expect
       .poll(() => state.consents[0]?.rpMetadata?.contract_date)
-      .toBe(1781017200);
+      .toBe(
+        dateTimeInputToUnixSeconds("2026-06-10", "date", browserTimeZone),
+      );
     await expect
       .poll(() => state.consents[0]?.rpMetadata?.approved_at)
-      .toBe(1780968600);
+      .toBe(
+        dateTimeInputToUnixSeconds(
+          "2026-06-09T10:30",
+          "datetime",
+          browserTimeZone,
+        ),
+      );
     await expect
       .poll(() => state.consents[0]?.rpMetadata?.active_member)
       .toBe(false);