load statecontainer to get MechanicalObject in the factory

Author: fredroy

bindings/Sofa/tests/Core/ObjectFactory.py

@@ -1,9 +1,10 @@
 import unittest
 import Sofa
+import SofaRuntime
 
 class Test(unittest.TestCase):
 
     def test_dump_json(self):
-
+        SofaRuntime.importPlugin("Sofa.Component.StateContainer")
         json = Sofa.Core.ObjectFactory.dump_json()
         self.assertIn("MechanicalObject", json, "MechanicalObject is not found in the json dump of the ObjectFactory")