Rename some domain classes to avoid naming conflicts.
Move valinta-tulos-service dependency from HakemusConverter to HakemusRepository
Throw exception from ValintatulosService if request fails and add marker ‘tulosOk’ to outbound data.
Add failing ValintatulosService and util API for tests to toggle failing.
Fetch valintatulos only when one application period for application has ended
Show error message when fetching results for application fails.