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

    public function testParent()
    {
        $nestable = new \Nestable\Services\NestableService();
        $nested = $nestable->make($this->categories)->parent(1)->renderAsArray();
        $this->assertEquals(collect($nested)->where('parent_id', 1)->count(), 3);
    }