🔧 Cleanup test_session.py.

Author: theengineear

Diff for: plotly/tests/test_core/test_session/test_session.py

@@ -2,12 +2,17 @@
 
 from plotly.tests.utils import PlotlyTestCase
 
+from plotly import session
 from plotly.session import update_session_plot_options, SHARING_OPTIONS
 from plotly.exceptions import PlotlyError
 
 
 class TestSession(PlotlyTestCase):
 
+    def setUp(self):
+        super(TestSession, self).setUp()
+        session._session['plot_options'].clear()
+
     def test_update_session_plot_options_invalid_sharing_argument(self):
 
         # Return PlotlyError when sharing arguement is not