chore: fix and migrate unit tests to vitest

apps/scandic-web/components/OpeningHours/openingHours.test.ts

@@ -1,4 +1,4 @@
-import { describe, expect, it } from "@jest/globals"
+import { describe, expect, it } from "vitest"
 
 import { getGroupedOpeningHours } from "./utils"
 
@@ -7,7 +7,7 @@ import type { IntlShape } from "react-intl"
 
 // Mock IntlShape for testing
 const mockIntl = {
-  formatMessage: ({ id }: { id: string }) => {
+  formatMessage: ({ defaultMessage }: { defaultMessage: string }) => {
     const messages: Record<string, string> = {
       Monday: "Monday",
       Tuesday: "Tuesday",
@@ -19,7 +19,7 @@ const mockIntl = {
       Closed: "Closed",
       "Always open": "Always open",
     }
-    return messages[id] || id
+    return messages[defaultMessage] || defaultMessage
   },
 } as IntlShape