So, 13 days later and guess what? That tbtc is still sitting untouched in their wallet. So much for the OP's claims of honesty...

Wow, time flies! I thought of something the other day: what about mining those tBTC yourself? After all, we have these guides by nullama:
https://bitcointalk.org/index.php?topic=5415335https://bitcointalk.org/index.php?topic=5415861However, only then it dawned on me: the testnet block reward is only 0.025tBTC per block, instead of 6.25!
You'd need 40 blocks for 1tBTC..