Nestable\Tests\NestableTraitTest::testRenderAsMultiple PHP Method

    public function testRenderAsMultiple()
    {
        $dropdown = Model\Category::renderAsMultiple();
        $this->assertRegExp('/' . $this->_get_pattern('multiple') . '/', $dropdown);
        // test where
        $dropdown = Model\Category::whereRaw("name like '%i%' OR name like '%a%'")->renderAsMultiple();
        $this->assertRegExp('/' . $this->_get_pattern('dropdown_single_option') . '/', $dropdown);
    }