### Question:
SapIdToken extends AbstractToken { @Override public Service getService() { return Service.IAS; } SapIdToken(@Nonnull DecodedJwt decodedJwt);  SapIdToken(@Nonnull String idToken); @Override Principal getPrincipal(); @Override Service getService();  }### Answer:
@Test public void getService() { assertThat(cut.getService()).isEqualTo(Service.IAS); }