remove todo

Author: marthacryan

packages/python/plotly/plotly/tests/test_optional/test_graph_objs/test_skipped_b64_keys.py

@@ -68,8 +68,6 @@ def test_np_layers(self):
 
         fig = go.Figure(data=data, layout=layout)
 
-        # TODO: This is failing because the actual value of the "dash" field
-        # is converted to the { b64, dtype } object.
         assert fig.layout['mapbox']['layers'][0]['line']['dash'] == (2.5, 1)
 
         assert (