Changed the testcases selection in the params file and class name in MultiProd.py file
diff --git a/TestON/tests/OpticalFunc13/OpticalFunc13.params b/TestON/tests/OpticalFunc13/OpticalFunc13.params
new file mode 100755
index 0000000..173d48b
--- /dev/null
+++ b/TestON/tests/OpticalFunc13/OpticalFunc13.params
@@ -0,0 +1,47 @@
+<PARAMS>
+    
+    <testcases>1,21,22,23</testcases>
+
+    #Environment variables
+    <ENV>
+        <cellName>driver_test</cellName>
+    </ENV>
+
+    <CTRL>
+        <ip1>10.128.20.11</ip1>
+        <port1>6633</port1>
+    </CTRL>
+
+    <PING>
+        <source1>h8</source1>
+        <source2>h9</source2>
+        <source3>h10</source3>
+        <source4>h11</source4>
+        <source5>h12</source5>
+        <source6>h13</source6>
+        <source7>h14</source7>
+        <source8>h15</source8>
+        <source9>h16</source9>
+        <source10>h17</source10>
+        <target1>10.0.0.18</target1>
+        <target2>10.0.0.19</target2>
+        <target3>10.0.0.20</target3>
+        <target4>10.0.0.21</target4>
+        <target5>10.0.0.22</target5>
+        <target6>10.0.0.23</target6>
+        <target7>10.0.0.24</target7>
+        <target8>10.0.0.25</target8>
+        <target9>10.0.0.26</target9>
+        <target10>10.0.0.27</target10>
+    </PING>
+
+    <timers>
+        <LinkDiscovery>5</LinkDiscovery>
+        <SwitchDiscovery>31</SwitchDiscovery>
+    </timers>
+
+    <OPTICAL>
+        <jsonfile> /home/admin/ONOS/tools/test/topos/oe-nonlinear-4.json </jsonfile>
+    </OPTICAL>    
+
+</PARAMS>