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

    public function testIsValidForDropdown()
    {
        $nestable = new \Nestable\Services\NestableService();
        $nested = $nestable->make($this->categories);
        $this->assertTrue($nested->isValidForDropdown());
        $this->assertRegExp('/' . $this->_get_pattern('dropdown') . '/', $nested->isValidForDropdown(true));
    }