'Test a json stored in the structure_json'

def test_structure_json(self):

    dummy_struct = ['block-v1:Organization+CN101+CR-FALL15+type@chapter+block@Unit_4', 'block-v1:Organization+CN101+CR-FALL15+type@chapter+block@Unit_5', 'block-v1:Organization+CN101+CR-FALL15+type@chapter+block@Unit_11']
    json_struct = json.dumps(dummy_struct)
    ccx = CcxFactory(course_id=self.course.id, coach=self.coach, structure_json=json_struct)
    self.assertEqual(ccx.structure_json, json_struct)
    self.assertEqual(ccx.structure, dummy_struct)
