Updates style title to match upstream.

MD-19850 #time 10m
unit-tests: other: fix unit test
reviewed-by: Robert Knight

src/MendeleyHttpClient_test.py

@@ -70,7 +70,7 @@ def test_styleName_getFromUrl(self):
         response = self.client.styleName_getFromUrl(
                 {"citationStyleUrl": "http://www.zotero.org/styles/apa"})
         self.assertEqual(response.status, 200)
-        self.assertEqual(response.body.citationStyleName, "American Psychological Association 6th Edition")
+        self.assertEqual(response.body.citationStyleName, "American Psychological Association 6th edition")
 
     def test_citationStyles_default(self):
         response = self.client.citationStyles_default()