VIA-769 MD/EO Fixed the failing test by setting a fake date in Vaccine.test

Author: marie-dedikova-nhs

src/app/_components/vaccine/Vaccine.test.tsx

@@ -87,6 +87,7 @@ describe("Any vaccine page", () => {
   const mockedConfig = config as ConfigMock;
 
   beforeEach(() => {
+    jest.useFakeTimers().setSystemTime(new Date("2026-01-30T09:00:00Z"));
     const defaultConfig = configBuilder()
       .withCampaigns(
         Campaigns.fromJson(