Set up hardcoded local university-URLs in test data
Serve JSON: Universities (by regionID). Return 404 otherwise.
Use "${baseURL}" in university URLs stored in XML files: No dependency
to hardcoded URLs, otherwise data may not be easily moved.
Inject baseURL to RegionJSONClientImpl, so it can be filtered in the XML data
Fix: Do not allow empty baseURLs to be injected into RegionJSONClientImpl’s constructor.
Inject baseURL to RegionJSONClientImpl, so it can be filtered in the XML data