public function testGetTimezones()
 {
     $configModel = new Config($this->container);
     $this->assertNotEmpty($configModel->getTimezones());
     $this->assertArrayHasKey('Europe/Paris', $configModel->getTimezones());
     $this->assertContains('Europe/Paris', $configModel->getTimezones());
     $this->assertArrayNotHasKey('', $configModel->getTimezones());
     $this->assertArrayHasKey('', $configModel->getTimezones(true));
     $this->assertContains('Application default', $configModel->getTimezones(true));
 }