again decrease the target time for proxy field test because it becomes too fast since r.23857.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@23865 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/tests/testPerformance.py

@@ -40,7 +40,7 @@ from Products.CMFCore.tests.base.testcase import LogInterceptor
 # (which has 31645.6 pystones/second)
 MIN_OBJECT_VIEW=0.112
 MAX_OBJECT_VIEW=0.122
-MIN_OBJECT_PROXYFIELD_VIEW=0.2000
+MIN_OBJECT_PROXYFIELD_VIEW=0.1990
 MAX_OBJECT_PROXYFIELD_VIEW=0.2200
 CURRENT_MIN_OBJECT_VIEW=0.1220
 CURRENT_MAX_OBJECT_VIEW=0.1280