[PATCH 2/3] tests: skip serial test on windows

["Marc-André Lureau" <marcandre.lureau@redhat.com>]

Serial test is currently hard-coded to /dev/null.

On Windows, serial chardev expect a COM: device, which may not be
availble.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 tests/test-char.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/test-char.c b/tests/test-char.c
index d62de1b088..45e42af290 100644
--- a/tests/test-char.c
+++ b/tests/test-char.c
@@ -1103,7 +1103,7 @@ static void char_socket_server_two_clients_test(gconstpointer opaque)
 }
 
 
-#ifdef HAVE_CHARDEV_SERIAL
+#if defined(HAVE_CHARDEV_SERIAL) && !defined(WIN32)
 static void char_serial_test(void)
 {
     QemuOpts *opts;
@@ -1460,7 +1460,7 @@ int main(int argc, char **argv)
 #endif
 
     g_test_add_func("/char/udp", char_udp_test);
-#ifdef HAVE_CHARDEV_SERIAL
+#if defined(HAVE_CHARDEV_SERIAL) && !defined(WIN32)
     g_test_add_func("/char/serial", char_serial_test);
 #endif
     g_test_add_func("/char/hotswap", char_hotswap_test);
-- 
2.23.0