AdamWathan\Form\Elements\FormOpen::delete PHP Method

    public function delete()
    {
        return $this->setHiddenMethod('DELETE');
    }

 public function testRenderDeleteFormOpen()
 {
     $form = new FormOpen();
     $expected = '<form method="POST" action=""><input type="hidden" name="_method" value="DELETE">';
     $result = $form->delete()->render();
     $this->assertEquals($expected, $result);
 }