Fix test failures caused by the performance patch.

It isn't safe to assume there is an environment or mode in any given
object. Only skip the extra work if the object explicitly has production
in it.

tests/test_ipalib/test_config.py

@@ -568,6 +568,8 @@ class test_Env(ClassChecker):
         for (key, value) in defaults.items():
             if value is object:
                 continue
+            if key == 'mode':
+                continue
             assert o[key] == value, '%r is %r; should be %r' % (key, o[key], value)
 
     def test_finalize(self):