protected function setUp()
{
$this->method = new \ReflectionMethod(self::$launcher, 'overwriteParams');
$this->method->setAccessible(true);
$property = new \ReflectionProperty(self::$launcher, 'container');
$property->setAccessible(true);
/** @var ContainerBuilder $container */
$container = $property->getValue(self::$launcher);
$this->params = $container->getParameterBag();
$this->assertInternalType('array', $this->params->all());
$this->assertEmpty($this->params->all());
}