'Trigger required field validation for content.'

def test_new_document_POST_empty_content(self):

    self.client.login(username='admin', password='testpass')
    data = new_document_data(['tag1', 'tag2'])
    data['content'] = ''
    response = self.client.post(reverse('wiki.create'), data, follow=True)
    doc = pq(response.content)
    ul = doc('article    ul.errorlist')
    eq_(1, len(ul))
    eq_('Please    provide    content.', ul('li').text())
