Normalize all test folders to use a constant prefix: Corso_Test. This cleans up and centralizes all per- test variations on the restore destination.
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#### Does this PR need a docs update or release note?
- [x] ⛔ No
#### Type of change
- [x] 🤖 Supportability/Tests
#### Test Plan
- [x] ⚡ Unit test
- [x] 💚 E2E