--- Sphinx-1.7.5/tests/test_theming.py~	2018-05-28 16:04:20.000000000 +0200
+++ Sphinx-1.7.5/tests/test_theming.py	2018-07-05 16:24:46.454357525 +0200
@@ -24,7 +24,7 @@
     cfg = app.config
 
     # test Theme class API
-    assert set(app.html_themes.keys()) == \
+    assert set(app.html_themes.keys()) >= \
         set(['basic', 'default', 'scrolls', 'agogo', 'sphinxdoc', 'haiku',
              'traditional', 'epub', 'nature', 'pyramid', 'bizstyle', 'classic', 'nonav',
              'test-theme', 'ziptheme', 'staticfiles', 'parent', 'child'])