public function testBaseTagWithForm($baseValue, $actionValue, $expectedUri, $currentUri = null, $description = null)
{
$crawler = new Crawler('<html><base href="'.$baseValue.'"><form method="post" action="'.$actionValue.'"><button type="submit" name="submit"/></form></html>', $currentUri);
$this->assertEquals($expectedUri, $crawler->filterXPath('//button')->form()->getUri(), $description);
}