tests/default.py: traverse the json structure to check that custom fuse succeeded.

We've now transformed the JSON string in a real Python structure. So we traverse it (which is more reliable)

Fixes bf65fbdb

server/web2py/applications/vidjil/tests/controllers/default.py

@@ -72,7 +72,7 @@ class DefaultController(unittest.TestCase):
         if resp.has_key('success') and resp['success'] == 'false':
            self.assertTrue(defs.PORT_FUSE_SERVER is None, 'get_custom_data returns error without fuse server')
         else:
-            self.assertNotEqual(resp.find('"segmented":[742377,742377]'), -1, "get_custom_data doesn't return a valid json")
+            self.assertEqual(resp['reads']['segmented'][0], resp['reads']['segmented'][1], "get_custom_data doesn't return a valid json")
         
         
     def testGetAnalysis(self):