public function testSubmitGeneration()
{
$result = $this->form->submit('Continue >');
$this->assertTags($result, array('input' => array('type' => 'submit', 'value' => 'Continue >')));
$result = $this->form->submit('Continue >', array('class' => 'special'));
$this->assertTags($result, array('input' => array('type' => 'submit', 'value' => 'Continue >', 'class' => 'special')));
}