github.com/inbucket/inbucket/v3/pkg/test is failing all the time about inbucket HOT 3 CLOSED

fb7ea5446906d7e04af65d5e79f1b8eb  pkg/test/testdata/basic.golden
0ccbb8ed961a5c65f4d76840ddfa9051  pkg/test/testdata/basic.txt
a088a81447ffc1dcde3ec37f12073b39  pkg/test/testdata/encodedheader.golden
ac4f807b0e94313db56b833fd06e19ea  pkg/test/testdata/encodedheader.txt
6faf0a57ae16a6c18e46b092495b3c1a  pkg/test/testdata/fullname.golden
94ad5b4bfbf327a46cfb02c620410b58  pkg/test/testdata/fullname.txt
54886a468c3aea587e021658a23a4f05  pkg/test/testdata/no-to-ipv4.golden
c53e0fac8b933c3a1f0552f724ab2e74  pkg/test/testdata/no-to-ipv6.golden
c96ce47aa1ffaf8b1e748c39711238e3  pkg/test/testdata/no-to.txt

diff --git a/pkg/test/integration_test.go b/pkg/test/integration_test.go
index c65bddc..918a715 100644
--- a/pkg/test/integration_test.go
+++ b/pkg/test/integration_test.go
@@ -83,6 +83,8 @@ func testBasic(t *testing.T) {
 
        // Compare to golden.
        got := formatMessage(msg)
+       src, _ := msg.GetSource()
+       t.Errorf("got:\n---\n%s|\n---\nlen: %d\nbytes:\n%x", src, len(src.Bytes()), src.Bytes())
        goldiff.File(t, got, "testdata", "basic.golden")
 }

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