Cviebrock\EloquentSluggable\Tests\UniqueTests::testUniqueAfterDelete PHP Method

    public function testUniqueAfterDelete()
    {
        $post1 = Post::create(['title' => 'A post title']);
        $this->assertEquals('a-post-title', $post1->slug);
        $post2 = Post::create(['title' => 'A post title']);
        $this->assertEquals('a-post-title-1', $post2->slug);
        $post1->delete();
        $post3 = Post::create(['title' => 'A post title']);
        $this->assertEquals('a-post-title', $post3->slug);
    }