/**
* testSessionValid method
*
* @return void
*/
public function testSessionValid()
{
$Session = new SessionComponent($this->ComponentCollection);
$this->assertTrue($Session->valid());
Configure::write('Session.checkAgent', true);
$Session->userAgent('rweerw');
$this->assertFalse($Session->valid());
$Session = new SessionComponent($this->ComponentCollection);
$Session->time = $Session->read('Config.time') + 1;
$this->assertFalse($Session->valid());
}