grep: enable recurse-submodules to work on <tree> objects

diff --git a/t/t2018-checkout-branch.sh b/t/t2018-checkout-branch.sh
index 2741262369e40a05cdc6732e4c9e6f04acb63bba..2131fb2a5682c50faf64e6066f03080702168b94 100755 (executable)
--- a/t/t2018-checkout-branch.sh
+++ b/t/t2018-checkout-branch.sh
@@ -124,7 +124,7 @@ test_expect_success 'checkout -b to @{-1} fails with the right branch name' '
        git checkout branch2 &&
        echo  >expect "fatal: A branch named '\''branch1'\'' already exists." &&
        test_must_fail git checkout -b @{-1} 2>actual &&
-       test_cmp expect actual
+       test_i18ncmp expect actual
 '
 
 test_expect_success 'checkout -B to an existing branch resets branch to HEAD' '