Fixing ConferenceService test
 - updating test to align with changes that have been made to the mock data.
Fixing ConferenceService test
 - updating test to align with changes that have been made to the mock data.
Fixing broken PageServiceTest
Fixing broken BlockServiceTest
Fixing broken RegistrationServiceTest
Fixing broken AnswersServiceTest
Merge branch 'restore-service-tests' of http://github.com/CruGlobal/conf-registration-api into restore-service-tests
Merge pull request #29 from CruGlobal/restore-service-tests

Restore service tests