sparse-index: introduce GIT_TEST_FAIL_ENSURE_FULL_INDEX#420

derrickstolee wants to merge 1 commit intomicrosoft:vfs-2.33.0microsoft/git:vfs-2.33.0from

derrickstolee:sparse-index/error-on-expandderrickstolee/git:sparse-index/error-on-expandCopy head branch name to clipboard