chore: fix and migrate unit tests to vitest

apps/scandic-web/tests/utils.tsx

@@ -0,0 +1,27 @@
+import { render, type RenderOptions } from "@testing-library/react"
+import React, { type ReactElement } from "react"
+
+import { Lang } from "@scandic-hotels/common/constants/language"
+
+import messages from "@/i18n/dictionaries/en.json"
+import ClientIntlProvider from "@/i18n/Provider"
+
+function AllTheProviders({ children }: { children: React.ReactNode }) {
+  return (
+    <ClientIntlProvider
+      defaultLocale={Lang.en}
+      locale={Lang.en}
+      messages={messages}
+    >
+      {children}
+    </ClientIntlProvider>
+  )
+}
+
+const customRender = (
+  ui: ReactElement,
+  options?: Omit<RenderOptions, "wrapper">
+) => render(ui, { wrapper: AllTheProviders, ...options })
+
+export * from "@testing-library/react"
+export { customRender as render }