tests: Fix few tests which depend on order of elements in set.

pfalcon · pfalcon · commit bd6f3d31d2a7 · 2014-04-07T02:54:16.000+03:00
diff --git a/tests/basics/set_union.py b/tests/basics/set_union.py
@@ -1 +1 @@
-print({1}.union({2}))
+print(sorted({1}.union({2})))
