Disable TestRunMountshmmqueuefromhost when using userns

Since we now automatically mount the mqueue device inside the
container (instead of bind mounting the one from the host), when
trying to start a container with --ipc=host, the mount will fail with
EPERM.

Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>
(cherry picked from commit dba5a7f243e6c251176585571419b595172e9402)

From PR #20133

integration-cli/docker_cli_run_test.go

@@ -2429,7 +2429,7 @@ func (s *DockerSuite) TestRunModeIpcContainerNotRunning(c *check.C) {
 
 func (s *DockerSuite) TestRunMountShmMqueueFromHost(c *check.C) {
 	// Not applicable on Windows as uses Unix-specific capabilities
-	testRequires(c, SameHostDaemon, DaemonIsLinux)
+	testRequires(c, SameHostDaemon, DaemonIsLinux, NotUserNamespace)
 
 	dockerCmd(c, "run", "-d", "--name", "shmfromhost", "-v", "/dev/shm:/dev/shm", "-v", "/dev/mqueue:/dev/mqueue", "busybox", "sh", "-c", "echo -n test > /dev/shm/test && touch /dev/mqueue/toto && top")
 	defer os.Remove("/dev/mqueue/toto")