added test

Author: Kully

plotly/tests/test_core/test_offline/test_offline.py

@@ -79,10 +79,11 @@ def test_autoresizing(self):
         for resize_code_string in resize_code_strings:
             self.assertTrue(resize_code_string not in html)
 
-    #def test_plot_rendered_if_non_plotly_domain(self):
-    #    plotly.tools.set_config_file(plotly_domain='https://stage.plot.ly',
-    #                                 plotly_api_domain='https://api-stage.plot.ly')
-
-        
-
+    def test_plot_rendered_if_non_plotly_domain(self):
+        plotly.tools.set_config_file(plotly_domain='https://stage.plot.ly',
+                                     plotly_api_domain='https://api-stage.plot.ly')
 
+        html = plotly.offline.plot(fig, output_type='div')
+        # test that 'Export to stage.plot.ly' is in the html
+        self.assertTrue('Export to stage.plot.ly' in html)
+        self.assertTrue('Export to plot.ly' not in html)