Starting Topology Performance test framework
diff --git a/TestON/drivers/common/cli/onosclidriver.py b/TestON/drivers/common/cli/onosclidriver.py
index 44d796a..d023a99 100644
--- a/TestON/drivers/common/cli/onosclidriver.py
+++ b/TestON/drivers/common/cli/onosclidriver.py
@@ -81,9 +81,11 @@
         '''
         response = ''
         try:
+            self.handle.sendline("")
+            self.handle.expect("onos>")
             self.handle.sendline("system:shutdown")
             self.handle.expect("Confirm")
-            self.handle.sendline("Yes")
+            self.handle.sendline("yes")
             self.handle.expect("\$")
 
         except pexpect.EOF:
@@ -479,7 +481,7 @@
             main.log.info(self.name+" ::::::")
             main.cleanup()
             main.exit()
-
+    
     def paths(self, src_id, dst_id):
         '''
         Returns string of paths, and the cost.
@@ -520,8 +522,6 @@
             main.cleanup()
             main.exit()
 
-
-
     #Wrapper functions ****************
     #Wrapper functions use existing driver
     #functions and extends their use case.