[4.0.3 backport] Improve reliability of TestBlipDeltaComputationFromBackupRev#8022

bbrks merged 1 commit intorelease/4.0.3couchbase/sync_gateway:release/4.0.3from

4.0.3-improve_reliability_of_new_delta_sync_pull_testcouchbase/sync_gateway:4.0.3-improve_reliability_of_new_delta_sync_pull_testCopy head branch name to clipboard