public function testGetApiToken()
 {
     $handler = new EmailHandler($this->container);
     $this->assertEmpty($handler->getApiToken());
     $this->container['configModel']->save(array('mailgun_api_token' => 'my token'));
     $this->container['memoryCache']->flush();
     $this->assertEquals('my token', $handler->getApiToken());
 }