Automated tests might sometimes deliver unexpected results because of environmental issues. When such a test fails in a system, and you want to verify if the failure is caused by a system component, or you know that the problem is caused by a currently dysfunctional system component, you can re-run the automated test manually.
To run an automated test manually, perform the following steps:
 (Run) on the toolbar. This is disabled for testing cycles, execution plans within testing cycles, and unassigned tests. 
                     		   
                  		   The 
                  			 Run dialog box appears.