### Question:
StateService { public String generateState() { return putState(generateSecureString()); } @Inject  StateService(PersistenceService persistenceService, ConfigurationService configurationService); String generateState(); String generateNonce(); String generateSecureString(); boolean isExpiredObjectPresent(String key); void deleteExpiredObjectsByKey(String key); String putState(String state); String putNonce(String nonce); String encodeExpiredObject(String expiredObject, ExpiredObjectType type);  }### Answer:
@Test public void generate() { generateState(); }