Use the pprint module to print dictionaries. It happens to print the

keys in sorted order, which makes the output independent from the hash
table order (which can differ bewteen Python versions).

lib/Components/ExtensionClass/test/output/test_MultiMapping

@@ -4,4 +4,4 @@ test_MultiMapping
 3
 2
 {'spam': 3}
-{'spam': 1, 'eggs': 2}
+{'eggs': 2, 'spam': 1}

lib/Components/ExtensionClass/test/test_MultiMapping.py

+from pprint import pprint
 from MultiMapping import *
 
 m=MultiMapping()
@@ -12,8 +13,8 @@ m.push({'spam':3})
 print m['spam']
 print m['eggs']
 
-print m.pop()
-print m.pop()
+pprint(m.pop())
+pprint(m.pop())
 
 try:
     print m.pop()