add runCmd function

andrug

31.49.2008 91078f991818e505b3396b38e79d12acb3d4ba1c

 opends/tests/system-tests/clients/restartDs/restartDs.xml

@@ -97,7 +97,7 @@
            }
          </call>
          <script>
            errNum += STAXResult[0]
            errNum += STAXResult[0][0]
          </script>
          
          <!-- ==== Start DS ==== -->
@@ -108,7 +108,7 @@
            }
          </call>
          <script>
            errNum += STAXResult[0]
            errNum += STAXResult[0][0]
          </script>
          
        </sequence>