/**
* tests rendering the header for all division
*
* @group writer
* @group sourcetest
*/
public function testRenderAllDivisionsHeader()
{
$mockCollection = $this->getMock('\\Browscap\\Data\\DataCollection', array(), array(), '', false);
self::assertSame($this->object, $this->object->renderAllDivisionsHeader($mockCollection));
self::assertSame('<browsercapitems>' . PHP_EOL, file_get_contents($this->file));
}