tests/qtest/netdev-socket: Raise connection timeout to 120 seconds

The test still fails intermittently with a 60 second timeout in the
GitLab CI environment. Raise the timeout to 120 seconds.

  576/839 ERROR:../tests/qtest/netdev-socket.c:293:test_stream_unix:
   assertion failed (resp == expect):
   ("st0: index=0,type=stream,connection error\r\n" == "st0: index=0,type=stream,unix:/tmp/netdev-socket.UW5IA2/stream_unix\r\n") ERROR
  576/839 qemu:qtest+qtest-sh4 / qtest-sh4/netdev-socket
                              ERROR          62.85s   killed by signal 6 SIGABRT
  >>> MALLOC_PERTURB_=249 QTEST_QEMU_BINARY=./qemu-system-sh4
   QTEST_QEMU_STORAGE_DAEMON_BINARY=./storage-daemon/qemu-storage-daemon
   G_TEST_DBUS_DAEMON=/home/gitlab-runner/builds/-LCfcJ2T/0/qemu-project/qemu/tests/dbus-vmstate-daemon.sh
   QTEST_QEMU_IMG=./qemu-img /home/gitlab-runner/builds/-LCfcJ2T/0/qemu-project/qemu/build/tests/qtest/netdev-socket --tap -k
  ――――――――――――――――――――――――――――――――――――― ✀  ―――――――――――――――――――――――――――――――――――――
  stderr:
  **
  ERROR:../tests/qtest/netdev-socket.c:293:test_stream_unix: assertion failed (resp == expect): ("st0: index=0,type=stream,connection error\r\n" == "st0: index=0,type=stream,unix:/tmp/netdev-socket.UW5IA2/stream_unix\r\n")
  (test program exited with status code -6)

Buglink: https://gitlab.com/qemu-project/qemu/-/issues/1881
Fixes: 417296c ("tests/qtest/netdev-socket: Raise connection timeout to 60 seconds")
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: "Daniel P. Berrangé" <berrange@redhat.com>
Message-ID: <20230912133310.60583-1-stefanha@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

tests/qtest/netdev-socket.c

@@ -16,7 +16,7 @@
 #include "qapi/qobject-input-visitor.h"
 #include "qapi/qapi-visit-sockets.h"
 
-#define CONNECTION_TIMEOUT    60
+#define CONNECTION_TIMEOUT    120
 
 #define EXPECT_STATE(q, e, t)                             \
 do {                                                      \