[tests] remove useless sort
Useless in python 2, actively harmful in python 3 where arbitrary
objects are no longer sortable.
--- a/test/unittest_schema.py Fri Sep 18 12:34:51 2015 +0200
+++ b/test/unittest_schema.py Fri Sep 18 12:35:10 2015 +0200
@@ -557,7 +557,7 @@
self.set_description('composite rdefs for %s' % etype)
yield self.assertEqual, self.composites[etype], \
sorted([(r.rtype.type, r.subject.type, r.object.type, role)
- for r, role in sorted(schema[etype].composite_rdef_roles)])
+ for r, role in schema[etype].composite_rdef_roles])
if __name__ == '__main__':