public function testReplyToIsValidAsString()
{
$result = $this->plugin->__invoke('theBody', 'theSubject', ['[email protected]'], null, null, null, null, '[email protected]');
$this->assertInstanceOf('AcMailer\\Result\\ResultInterface', $result);
$this->assertEquals('[email protected]', $this->service->getMessage()->getReplyTo()->current()->getEmail());
}