t7810: use test_expect_code() instead of hand-rolled comparison

diff --git a/t/t7201-co.sh b/t/t7201-co.sh
index ab9da61da391f1b6040076dda2454f602adef7d2..8d8a63a24be023b2a615bed1aa51c6812d8cbb83 100755 (executable)
--- a/t/t7201-co.sh
+++ b/t/t7201-co.sh
@@ -673,7 +673,6 @@ test_expect_success 'custom merge driver with checkout -m' '
                do
                        grep $t arm || exit 1
                done
-               exit 0
        ) &&
 
        mv arm expect &&