private function createCommandTester(ContainerInterface $container, Application $application = null)
{
if (null === $application) {
$application = new Application();
}
$application->setAutoExit(false);
$command = new DeactivateUserCommand();
$command->setContainer($container);
$application->add($command);
return new CommandTester($application->find('fos:user:deactivate'));
}