unit test name refactoring

tests/test_geometry_factory.py

@@ -42,9 +42,9 @@ class TestGeometryFactory(TestCase):
     self.assertIsNotNone(subway_entrances, 'subway entrances is none')
     self.assertEqual(len(subway_entrances), 20, 'Wrong number of subway entrances')
 
-  def test_citygml_city(self):
+  def test_citygml_city_serialization(self):
     """
-    Test the City parsing
+    Test the City from citygml serialization de-serialization
     :return: None
     """
     city = self._get_citygml()