Remove main.stop from SRMulticast

Change-Id: Ifbc79064194eb00762f089295aa6a0a8b09ef2df
diff --git a/TestON/tests/USECASE/SegmentRouting/dependencies/Testcaselib.py b/TestON/tests/USECASE/SegmentRouting/dependencies/Testcaselib.py
index 5b1645b..5d05713 100644
--- a/TestON/tests/USECASE/SegmentRouting/dependencies/Testcaselib.py
+++ b/TestON/tests/USECASE/SegmentRouting/dependencies/Testcaselib.py
@@ -1052,7 +1052,6 @@
                                          onpass="{} to {}: Pass".format( srcEntry[ "host" ], dstEntry[ "host" ] ),
                                          onfail="{} to {}: Fail".format( srcEntry[ "host" ], dstEntry[ "host" ] ) )
                 if skipOnFail and trafficResult != main.TRUE:
-                    main.stop()
                     Testcaselib.saveOnosDiagnostics( main )
                     Testcaselib.cleanup( main, copyKarafLog=False )
                     main.skipCase()