append_one_rev(): rewrite to work with object_id

diff --git a/t/t5539-fetch-http-shallow.sh b/t/t5539-fetch-http-shallow.sh
index f1cbf966993861c005624542aafadc280312486e..37a433504e27f8dffc9bbbb9e94d550de20ff035 100755 (executable)
--- a/t/t5539-fetch-http-shallow.sh
+++ b/t/t5539-fetch-http-shallow.sh
@@ -48,6 +48,7 @@ EOF
 test_expect_success 'no shallow lines after receiving ACK ready' '
        (
                cd shallow &&
+               test_tick &&
                for i in $(test_seq 15)
                do
                        git checkout --orphan unrelated$i &&