@@ -0,0 +1,569 @@
+import unittest%0A%0Aimport bokeh.plotting as plotting%0A%0Aclass TestPlotting(unittest.TestCase):%0A%0A    def test_reset_output(self):%0A        plotting._default_document = 10%0A        plotting._default_session = 10%0A        plotting._default_file = 10%0A        plotting._default_notebook = 10%0A        plotting.reset_output()%0A        self.assertTrue(isinstance(plotting._default_document, plotting.Document))%0A        self.assertEqual(plotting._default_session, None)%0A        self.assertEqual(plotting._default_file, None)%0A        self.assertEqual(plotting._default_notebook, None)%0A%0A%0A

add unit test for reset_output