public function testCleanErrors()
{
$form = new Form();
$form->addText('name')->addError('Error');
$form->addText('container.name')->addError('Errors');
$this->assertSame(array('Error', 'Errors'), $form->getErrors());
$form->cleanErrors();
$this->assertSame(array('Error', 'Errors'), $form->getErrors());
$form->cleanErrors(TRUE);
$this->assertSame(array(), $form->getErrors());
}