copy test() from existing Document/Rule.py that is also required in new API rules.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@31319 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/mixin/rule.py

@@ -84,6 +84,14 @@ class RuleMixin:
                          activate_kw=activate_kw)
     return context.get(id)
 
+  def test(self, *args, **kw):
+    """
+    If no test method is defined, return False, to prevent infinite loop
+    """
+    if not self.getTestMethodId():
+      return False
+    return Predicate.test(self, *args, **kw)
+
   def expand(self, applied_rule, **kw):
     """
     Expand this applied rule to create new documents inside the