Fix test

apps/api/src/models/portfolio.spec.ts

@@ -1,9 +1,5 @@
-import {
-  UNKNOWN_KEY,
-  baseCurrency,
-  getUtc,
-  getYesterday
-} from '@ghostfolio/helper';
+import { UNKNOWN_KEY, baseCurrency } from '@ghostfolio/helper/config';
+import { getUtc, getYesterday } from '@ghostfolio/helper/helper';
 import { AccountType, Currency, DataSource, Role, Type } from '@prisma/client';
 import { format } from 'date-fns';