fix flake

packages/manager/src/features/Betas/BetaDetails.test.tsx

@@ -1,45 +1,32 @@
 import { DateTime } from 'luxon';
 import * as React from 'react';
 
+import { formatDate } from 'src/utilities/formatDate';
 import { renderWithThemeAndRouter } from 'src/utilities/testHelpers';
 
 import BetaDetails from './BetaDetails';
 
 describe('BetaDetails', () => {
-  beforeAll(() => {
-    vi.useFakeTimers({
-      shouldAdvanceTime: true,
-    });
-  });
-  afterAll(() => {
-    vi.useRealTimers();
-  });
-
   it('should be able to display all fields for an AccountBeta type', async () => {
-    const date = new Date(2024, 9, 1);
-
-    vi.useFakeTimers();
-    vi.setSystemTime(date);
-
     const dates = {
-      ended: DateTime.now().minus({ days: 30 }),
-      started: DateTime.now().minus({ days: 60 }),
+      ended: '2024-10-28T09:44:08.593-04:00',
+      started: '2024-09-28T09:44:08.593-04:00',
     };
     const beta = {
       description: 'A cool beta program',
-      ended: dates.ended.toISO(),
+      ended: dates.ended,
       id: 'beta',
       label: 'Beta',
       more_info: 'https://linode.com',
-      started: dates.started.toISO(),
+      started: dates.started,
     };
 
     const { getByText } = await renderWithThemeAndRouter(
       <BetaDetails beta={beta} dataQA="beta-details" />
     );
     getByText(RegExp(beta.label));
-    getByText(RegExp(dates.started.toISODate()));
-    getByText(RegExp(dates.ended.toISODate()));
+    getByText(formatDate(dates.started, { format: 'yyyy-MM-dd' }));
+    getByText(formatDate(dates.ended, { format: 'yyyy-MM-dd' }));
     getByText(RegExp(beta.description));
   });