Remove a useless test.

Author: theengineear

plotly/tests/test_core/test_graph_reference/test_graph_reference.py

@@ -20,16 +20,6 @@
 
 class TestGraphReferenceCaching(PlotlyTestCase):
 
-    def test_get_graph_reference(self):
-
-        # if we don't have a graph reference we load an outdated default
-
-        path = os.path.join('package_data', 'default-schema.json')
-        s = resource_string('plotly', path).decode('utf-8')
-        default_graph_reference = json.loads(s)
-        graph_reference = gr.get_graph_reference()
-        self.assertEqual(graph_reference, default_graph_reference)
-
     @attr('slow')
     def test_default_schema_is_up_to_date(self):
         api_domain = files.FILE_CONTENT[files.CONFIG_FILE]['plotly_api_domain']