bug 1173189: Refactor Document feed tests

Convert Document feed tests to use pytest and fixtures. Existing tests
were converted (except for the silly parts), and then additional tests
added to get complete coverage.

kuma/wiki/tests/__init__.py

@@ -1,5 +1,4 @@
 from datetime import datetime
-import time
 
 from django.contrib.auth import get_user_model
 from django.contrib.auth.models import Group, Permission
@@ -86,13 +85,6 @@ def make_translation():
     return d1, d2
 
 
-def wait_add_rev(document):
-    # Let the clock tick, then update the translation parent.
-    time.sleep(1.0)
-    revision(document=document, save=True)
-    return document
-
-
 # End model makers.
 
 
@@ -119,13 +111,13 @@ def __iter__(self):
             yield token
 
 
-def normalize_html(input):
+def normalize_html(html):
     """
     Normalize HTML5 input, discarding parts not significant for
     equivalence in tests
     """
     return (kuma.wiki.content
-            .parse(unicode(input))
+            .parse(unicode(html))
             .filter(WhitespaceRemovalFilter)
             .serialize(alphabetical_attributes=True))