chore: fix and migrate unit tests to vitest

apps/scandic-web/.env.test

@@ -22,6 +22,7 @@ DEPLOY_PRIME_URL="test"
 NEXTAUTH_SECRET="test"
 NEXT_PUBLIC_PUBLIC_URL="test"
 NEXTAUTH_URL="test"
+NODE_ENV="test"
 REVALIDATE_SECRET="test"
 SEAMLESS_LOGIN_DA="test"
 SEAMLESS_LOGIN_DE="test"
@@ -52,4 +53,4 @@ NEXT_PUBLIC_SENTRY_ENVIRONMENT="test"
 NEXT_PUBLIC_SENTRY_CLIENT_SAMPLERATE="0"
 SITEMAP_SYNC_SECRET="test"
 
-BRANCH="test"
+BRANCH="test"