Nestable\Tests\Services\NestableServiceTest::testAttr PHP Method

    public function testAttr()
    {
        $nestable = new \Nestable\Services\NestableService();
        $nested = $nestable->make($this->categories);
        $dropdown = $nested->attr(['name' => 'category', 'id' => 'category'])->renderAsDropdown();
        $this->assertRegExp('/\\<select\\s+?name\\=\\"category\\"\\s+id=\\"category\\"\\s+\\>/', $dropdown);
    }