Rename QUIC connection ID to server connection ID, part 2

This is part of a larger body of work required to enable client connection IDs.

gfe-relnote: n/a, code-rename-only change
PiperOrigin-RevId: 250386523
Change-Id: I20d5a688e040791eefda378f5246adfa770cef61
diff --git a/quic/test_tools/quic_test_server.h b/quic/test_tools/quic_test_server.h
index 52fb7c5..3661b7a 100644
--- a/quic/test_tools/quic_test_server.h
+++ b/quic/test_tools/quic_test_server.h
@@ -69,7 +69,7 @@
                  const QuicConfig& config,
                  const ParsedQuicVersionVector& supported_versions,
                  QuicSimpleServerBackend* quic_simple_server_backend,
-                 uint8_t expected_connection_id_length);
+                 uint8_t expected_server_connection_id_length);
 
   // Create a custom dispatcher which creates custom sessions.
   QuicDispatcher* CreateQuicDispatcher() override;