How to Run and Test a workflow using siebel application?

We can test a workflow using Siebel tool & Application. Most of you are familiar with testing Workflow with tool's simulation. But we can test workflow using siebel application. To do that goto Administration - Business Service -> Simulator.
Give Service Name as "Workflow Process Manager" and Method name "RunProcess". Give required Input argument and click "Run" and find output in output argument section.