fixed support for mocha

test/localized-data/services.cds

@@ -0,0 +1,12 @@
+using { CatalogService, sap.capire.bookshop as my } from '@capire/bookshop';
+using from '@capire/common';
+
+extend service CatalogService with {
+  @cds.localized:false
+  entity BooksSans as projection on my.Books {
+    *, //> non-localized defaults, e.g. title
+    key ID,
+    texts.title as localized_title,
+    texts.locale
+  };
+}