This setting is ignored (set to zero) when the test starts,
because the script library/Base/serverCapabilities.js
uses toInt32 unstead of toUInt32 here:

diff --git a/library/Base/serverCapabilities.js b/library/Base/serverCapabilities.js
index 5046f2b..138f45f 100644
--- a/library/Base/serverCapabilities.js
+++ b/library/Base/serverCapabilities.js
@@ -111,7 +111,7 @@ gServerCapabilities = {

         // operation limits
         this.OperationLimits = new Object();

• this.OperationLimits.MaxNodesPerRead = items[11].Value.Value.toInt32();
• this.OperationLimits.MaxNodesPerRead = items[11].Value.Value.toUInt32();
  this.OperationLimits.MaxNodesPerHistoryReadData = items[12].Value.Value.toUInt32();
  this.OperationLimits.MaxNodesPerHistoryReadEvents = items[13].Value.Value.toUInt32();
  this.OperationLimits.MaxNodesPerWrite = items[14].Value.Value.toUInt32();