public function testSlugKeyNameProperty()
{
$post = PostWithMultipleSlugsAndCustomSlugKey::create(['title' => 'A Post Title', 'subtitle' => 'A Post Subtitle']);
$this->assertEquals('dummy', $post->getSlugKeyName());
$this->assertEquals('a.post.subtitle', $post->dummy);
$this->assertEquals('a.post.subtitle', $post->getSlugKey());
}