erp5_scalability_test: missing parameters in script

bt5/erp5_scalability_test/SkinTemplateItem/portal_skins/erp5_scalability_test/ERP5Site_createTestData.xml

@@ -50,7 +50,7 @@
         </item>
         <item>
             <key> <string>_params</string> </key>
-            <value> <string></string> </value>
+            <value> <string>user_quantity, password</string> </value>
         </item>
         <item>
             <key> <string>guard</string> </key>