what is the "testa.txt" in the file named pretrain.py?

[HammerWang98]

I'm a noob in NLP. I want to run this project and understand it fully to learn more about NLP. But when I ran python pretrain.py, I found testa.txt was missing. Could u tell me what's that. Maybe dev dataset of the train.jsonl?

[Hammer-888]

I'm a noob in NLP. I want to run this project and understand it fully to learn more about NLP. But when I ran python pretrain.py, I found testa.txt was missing. Could u tell me what's that. Maybe dev dataset of the train.jsonl?
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