public function setUp()
{
$application = new Application($this->getContainer()->get('kernel'));
$loadFixturesCommand = new LoadDataFixturesDoctrineCommand();
$loadFixturesCommand->setApplication($application);
$loadFixturesCommandTester = new CommandTester($loadFixturesCommand);
$loadFixturesCommandTester->execute([], ['interactive' => false]);
$this->command = new CreateUserCommand();
$this->command->setApplication($application);
$this->tester = new CommandTester($this->command);
}