<PARAMS>
    <testcases> 1,2 </testcases>
    <mail> anilkumar.s@paxterrasolutions.com,paxweb@paxterrasolutions.com </mail>
    #'log_dir' = '/home/user/Desktop/openflow_logs/'
    <CASE1>
        <destination> h2 </destination>
        <STEP1>
            <host> h2 </host>
         </STEP1>
    </CASE1> 
</PARAMS>