Cviebrock\EloquentSluggable\Tests\OnUpdateTests::testSlugDoesNotChangeIfSourceDoesNotChangeMultiple PHP Метод

    public function testSlugDoesNotChangeIfSourceDoesNotChangeMultiple()
    {
        $data = ['title' => 'My First Post'];
        $post0 = PostWithOnUpdate::create($data);
        $post1 = PostWithOnUpdate::create($data);
        $post2 = PostWithOnUpdate::create($data);
        $post3 = PostWithOnUpdate::create($data);
        $this->assertEquals('my-first-post-3', $post3->slug);
        $post3->update(['subtitle' => 'A Subtitle']);
        $this->assertEquals('my-first-post-3', $post3->slug);
    }