t: use test_expect_code instead of hand-rolled comparison

diff --git a/t/t7004-tag.sh b/t/t7004-tag.sh
index 35c805a44e817c637c667b1d1d14d97b4ee46803..347d3bebbcdd91a5bdfa4f9c136c03753a1eab42 100755 (executable)
--- a/t/t7004-tag.sh
+++ b/t/t7004-tag.sh
@@ -1180,7 +1180,7 @@ test_expect_success 'message in editor has initial comment: first line' '
 test_expect_success \
        'message in editor has initial comment: remainder' '
        # remove commented lines from the remainder -- should be empty
-       >rest.expect
+       >rest.expect &&
        sed -e 1d -e '/^#/d' <actual >rest.actual &&
        test_cmp rest.expect rest.actual
 '