t1400: switch hard-coded object ID to variable

diff --git a/t/t6060-merge-index.sh b/t/t6060-merge-index.sh
index debadbd299c02630097a3f476729719d4d71a10c..ddf34f0115b08b401a8981099459d10e1b1c4a02 100755 (executable)
--- a/t/t6060-merge-index.sh
+++ b/t/t6060-merge-index.sh
@@ -44,8 +44,7 @@ test_expect_success 'read-tree does not resolve content merge' '
 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