Update correctmap to handle partially correct answers, and

fix annotation tests so that they use the new test_system functionality

common/lib/capa/capa/correctmap.py

@@ -95,7 +95,7 @@ class CorrectMap(object):
 
     def is_correct(self, answer_id):
         if answer_id in self.cmap:
-            return self.cmap[answer_id]['correctness'] == 'correct'
+            return self.cmap[answer_id]['correctness'] in ['correct', 'partially-correct']
         return None
 
     def is_queued(self, answer_id):

common/lib/xmodule/xmodule/tests/test_annotatable_module.py

@@ -34,7 +34,7 @@ class AnnotatableModuleTestCase(unittest.TestCase):
     shared_state = None
 
     def setUp(self):
-        self.annotatable = AnnotatableModule(test_system, self.location, self.definition, self.descriptor, self.instance_state, self.shared_state)
+        self.annotatable = AnnotatableModule(test_system(), self.location, self.definition, self.descriptor, self.instance_state, self.shared_state)
 
     def test_annotation_data_attr(self):
         el = etree.fromstring('<annotation title="bar" body="foo" problem="0">test</annotation>')