Fix test so we don't have to skip it anymore.

common/lib/xmodule/xmodule/tests/test_self_assessment.py

 import json
-from mock import Mock
+from mock import Mock, MagicMock
 import unittest
 
 from xmodule.self_assessment_module import SelfAssessmentModule
 from xmodule.modulestore import Location
 from lxml import etree
-from nose.plugins.skip import SkipTest
 
 from . import test_system
 
@@ -60,13 +59,21 @@ class SelfAssessmentTest(unittest.TestCase):
         self.assertTrue("This is sample prompt text" in html)
 
     def test_self_assessment_flow(self):
-        raise SkipTest()
+        responses = {'assessment': '0', 'score_list[]': ['0', '0']}
+        def get_fake_item(name):
+            return responses[name]
+
+        mock_query_dict = MagicMock()
+        mock_query_dict.__getitem__.side_effect = get_fake_item
+        mock_query_dict.getlist = get_fake_item
+
+
         self.assertEqual(self.module.get_score()['score'], 0)
 
         self.module.save_answer({'student_answer': "I am an answer"}, test_system)
         self.assertEqual(self.module.state, self.module.ASSESSING)
 
-        self.module.save_assessment({'assessment': '0'}, test_system)
+        self.module.save_assessment(mock_query_dict, test_system)
         self.assertEqual(self.module.state, self.module.DONE)
 
 
@@ -76,5 +83,6 @@ class SelfAssessmentTest(unittest.TestCase):
 
         # if we now assess as right, skip the REQUEST_HINT state
         self.module.save_answer({'student_answer': 'answer 4'}, test_system)
-        self.module.save_assessment({'assessment': '1'}, test_system)
+        responses['assessment'] = '1'
+        self.module.save_assessment(mock_query_dict, test_system)
         self.assertEqual(self.module.state, self.module.DONE)