test_expect_success 'git merge-index git-merge-one-file resolves' '
git merge-index git-merge-one-file -a &&
git diff-files --name-only --diff-filter=U >unmerged &&
- >expect &&
- test_cmp expect unmerged &&
+ test_must_be_empty unmerged &&
test_cmp expect-merged file &&
git cat-file blob :file >file-index &&
test_cmp expect-merged file-index