The RunDuration for the active Load Test Run Settings is 0 seconds; it must be at least 1 second

    Fix – change run settings:

    1. Open a load test.
    2. Expand the “Run Settings folder”.
    3. Choose a “Run Settings node”.
    4. On the “View” menu, choose Properties Window.The Properties Window is displayed and the properties for the selected run setting are displayed.
    5. Use the Properties Window to change the run settings. For example, change the run duration to 00:02:00 to run your test for two minutes.
    6. Save your load test. On the File menu, choose Save.