public function testShiftTwo()
{
$request = new Request();
$request->params = array('command' => 'one', 'action' => 'two', 'args' => array('three', 'four', 'five'));
$request->shift(2);
$expected = array('command' => 'three', 'action' => 'four', 'args' => array('five'));
$result = $request->params;
$this->assertEqual($expected, $result);
}