* [history-v1] fix re-running test_acceptance_run
Preserve the contents of the migrations collection. Deleting the entries
does not "undo" the migrations. On re-run east would try applying all
migrations and fail as things were already applied.
* [history-v1] remove guard migration before running tests
GitOrigin-RevId: e6eeafd58215e5148dd70c37c7a87d84e0a12bf3
Jakob Ackermann
68c41e9b66