Adds reliability interaction test coverage for the `no-changes-finalized` outcome (FN-4701), covering the benign case where verification-only done tasks complete with no owned commits or surviving branch. Fusion-Task-Id: FN-4701
Adds reliability interaction test coverage for the `no-changes-finalized` outcome (FN-4701), covering the benign case where verification-only done tasks complete with no owned commits or surviving branch. Fusion-Task-Id: FN-4701