set window size after ssh connection

Change-Id: Ibe9eea031ec51bc88ac6d15d9b0c0cc626efc722
diff --git a/TestON/drivers/common/cli/onosdriver.py b/TestON/drivers/common/cli/onosdriver.py
index e47d34d..c035569 100755
--- a/TestON/drivers/common/cli/onosdriver.py
+++ b/TestON/drivers/common/cli/onosdriver.py
@@ -129,8 +129,8 @@
                 port=self.port,
                 pwd=self.pwd,
                 home=self.home )
-
             if self.handle:
+                self.handle.setwinsize( 24, 250 )
                 self.handle.sendline( "cd " + self.home )
                 self.handle.expect( self.prompt )
                 return self.handle