public function testRemoveByAlias() { // prepare test data $this->rawLayout->add('root', null, 'root'); $this->rawLayout->add('header', 'root', 'header'); $this->rawLayout->addAlias('test_header', 'header'); // do test $this->rawLayout->remove('test_header'); $this->assertFalse($this->rawLayout->has('header')); }