Now that kopia won't try to mutate state in read-only
mode it's safe to reenable the test ensuring backups
that were deleted are still available when opening
the repo at a specific point in time
This reverts commit 8d3fdeeb8dbd8dc68284c1d33b0b431d309b4f5b.
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#### Does this PR need a docs update or release note?
- [ ] ✅ Yes, it's included
- [ ] 🕐 Yes, but in a later PR
- [x] ⛔ No
#### Type of change
- [ ] 🌻 Feature
- [ ] 🐛 Bugfix
- [ ] 🗺️ Documentation
- [x] 🤖 Supportability/Tests
- [x] 💻 CI/Deployment
- [ ] 🧹 Tech Debt/Cleanup
#### Issue(s)
* closes#4031
merge after:
* #4089
#### Test Plan
- [x] 💪 Manual
- [ ] ⚡ Unit test
- [ ] 💚 E2E
3a5fcdce99