t5552: compensate for v2 filtering ref adv.

Protocol v2 filters the ref advertisement, but protocol v0 does not. A
test in t5552 uses the ref advertisement, so fix it to use protocol v0.

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t5552-skipping-fetch-negotiator.sh b/t/t5552-skipping-fetch-negotiator.sh
index 30857b84a8d5b5fdec59f775ab97293a7da4f2df..8a14be51a13280d3fccd340c027cd5f20bb941a5 100755 (executable)
--- a/t/t5552-skipping-fetch-negotiator.sh
+++ b/t/t5552-skipping-fetch-negotiator.sh
@@ -127,7 +127,10 @@ test_expect_success 'use ref advertisement to filter out commits' '
        # not need to send any ancestors of "c3", but we still need to send "c3"
        # itself.
        test_config -C client fetch.negotiationalgorithm skipping &&
-       trace_fetch client origin to_fetch &&
+
+       # The ref advertisement itself is filtered when protocol v2 is used, so
+       # use v0.
+       GIT_TEST_PROTOCOL_VERSION= trace_fetch client origin to_fetch &&
        have_sent c5 c4^ c2side &&
        have_not_sent c4 c4^^ c4^^^
 '