def testToAndFromString(self):
     self.sitemap_news.publication_label.append(
         webmastertools.PublicationLabel(text='Value1'))
     self.assert_(self.sitemap_news.text is None)
     self.assert_(self.sitemap_news.publication_label[0].text == 'Value1')
     new_sitemap_news = webmastertools.SitemapNewsFromString(
         self.sitemap_news.ToString())
     self.assert_(new_sitemap_news.text is None)
     self.assert_(self.sitemap_news.publication_label[0].text ==
                  new_sitemap_news.publication_label[0].text)
 def setUp(self):
     self.publication_label = webmastertools.PublicationLabel()