Integrating SOAP-UI with LOAD-UI and performing LOAD Test

Create New LoadUI Project 

Drag drop Random from Generators and Soap-UI Runner

In SoapUI Runner Browse for SoapUI.exe by clicking Open in SoapUI

Connect both Random and SoapUI Runner.

Go to Project in SoapUI Runner and browse for SoapUI project and it selects 

automatically created Test Suites and Test Cases.

Click on Run Once

It results either Completed or Failed or Discarded.