test(parity): ignore the untransferred source-root line in %C diff

tests/integration/test_output_parity.py

@@ -309,7 +309,15 @@ class TestWireStatsParity:
         result, _ = run_client(source, dest, flags=["-a", "--out-format=" + fmt],
                                port=shared_server.port)
         assert result.returncode == 0, result.stderr[:300]
-        assert result.stdout.splitlines() == rsync_result.stdout.splitlines(), (
+
+        def file_lines(text):
+            # Ignore the root directory entry: fastsync does not transfer the
+            # source-root dir itself (a separate pre-existing divergence).
+            return [
+                line for line in text.splitlines() if not line.rsplit(" ", 1)[-1].endswith("/")
+            ]
+
+        assert file_lines(result.stdout) == file_lines(rsync_result.stdout), (
             f"rsync={rsync_result.stdout!r} fastsync={result.stdout!r}"
         )