А не сломался ли unit test? Не принимает первую переменную: public static final class Constants { public final static String SERVER_IS_NOT_CURRENTLY_ACCESSIBLE = "The server is not currently accessible."; public final static String USER_IS_NOT_AUTHORIZED = "User is not authorized."; public final static String USER_IS_BANNED = "User is banned."; public final static String ACCESS_IS_DENIED = "Access is denied."; }