$config = new Config($user);
$config->setTheme('baggy');
$config->setItemsPerPage(20);
$config = new Config($user);
$config->setTheme('baggy');
$config->setItemsPerPage(20);
$config->setLanguage('fr');
$config->setReadingSpeed(1);
$this->em->expects($this->once())
->method('persist')
$config->setLanguage('fr');
$config->setReadingSpeed(1);
$this->em->expects($this->once())
->method('persist')