Improve test_test_history.py

### 🐛 Describe the bug

We should follow up https://github.com/pytorch/pytorch/pull/73082 with a better long term solution, as the new stats will also go out of retention after 300 days.

### Versions

CI

cc @seemethere @malfet @pytorch/pytorch-dev-infra