CLOUDSTACK:4537 - Fixed shared network and vpc test cases

Signed-off-by: venkataswamybabu budumuru <venkataswamybabu.budumuru@citrix.com>
(cherry picked from commit 98daad9300ec67010d0799875b9ea73aa47771a8)
CLOUDSTACK-4624 Fixed security groups rules program issue in Advaced SG VM migration