Redis plugin - improve timeout test to include additional possible outcomes

STRING pluginTO := 'Redis Plugin: ERROR - function timed out internally.';
STRING redisTO := 'Redis Plugin: ERROR - GetOrLock<type> \'timeoutTest2\' on database 0 for 127.0.0.1:6379 failed : Resource temporarily unavailable';
dsTO2 := DATASET(NOFOLD(1), TRANSFORM({string value}, SELF.value := redis.GetOrLockString('timeoutTest' + (string)(1+COUNTER), server, /*database*/, password, 1/*ms*/)));
SEQUENTIAL(
    myRedis.FlushDB();
    myRedis.GetOrLockString('timeoutTest2');
    OUTPUT(CATCH(dsTO2, ONFAIL(TRANSFORM({ STRING value }, SELF.value := IF(FAILMESSAGE = pluginTO OR FAILMESSAGE = redisTO, 'Timed Out', 'Unexpected Error - ' + FAILMESSAGE)))));
    );