Updating tests

Author: pchazarra

tests/tests.py

@@ -278,7 +278,7 @@ def test_make_single_channel_graph(self):
         ch_names = ['Fp1', 'Fp2', 'AF7', 'AF3', 'AF4', 'AF8', 'F7', 'F5', 'F3', 'F1', 'Fz', 'F2', 'F4', 'F6', 'F8', 'FT9']
         expected_edges = 6 #All edges between top 25% nodes. 16 channels -> 4 nodes with connections. All 4 nodes interconnected -> 6 edges in total. 
 
-        result = single_channel_graph(data, ch_names, channels)
+        result = single_channel_graph(data, ch_names, channels, 0.25)
         self.assertEqual(len(result[0].nodes()), channels)
         self.assertEqual(len(result[0].edges()), expected_edges)