fix streaming_specs test

Author: BRONSOLO

plotly/tests/test_core/test_stream/test_stream.py

@@ -128,6 +128,7 @@ def test_stream_no_scheme(self):
             'server': 'stream.plot.ly',
             'port': 80,
             'ssl_enabled': False,
+            'ssl_verification_enabled': False,
             'headers': {
                 'Host': 'stream.plot.ly',
                 'plotly-streamtoken': tk