/**
* @depends testInitialState
* @return null
*/
public function testSetBaseTag()
{
$this->assertNull($this->head->getBaseTag());
$tag = $this->factory->createBaseTag('my-href');
$this->assertSame($this->head, $this->head->setBaseTag($tag));
$this->assertSame($tag, $this->head->getBaseTag());
}