public function testSettingANullRelationShouldSucceed()
{
$link = new Link();
$link->language = 'en';
$link->name = 'yii';
$link->link = 'http://www.yiiframework.com';
$link->linkType = null;
$this->assertTrue($link->save(), 'Link could not be saved');
$this->assertNull($link->linkType, "Link type should be null");
$this->assertNull($link->link_type_id, "Link type id should be null");
}
