/**
* @test
*
* @covers Courier::__construct
* @covers Courier::setSender
*/
public function messageShouldHaveSender()
{
$expect = 'Recipient';
$this->courier->setSender($expect);
$class = new \ReflectionClass(Courier::class);
$property = $class->getProperty('message');
$property->setAccessible(true);
$this->assertEquals($expect, $property->getValue($this->courier)['sender']);
}