[Libvirt-cim] [PATCH 0 of 2] [Test] Tests to verify multiple bridge interface and duplicate mac

Hello everyone, I like to submit a set of tests to verify adding multiple bridge type interface and defining network interface with duplicate mac. The first patch, creates a test called 22_addmulti_brg_interface.py to VirtualSystemManagementService The second patch, creates a test called 23_verify_duplicate_mac_err.py to VirtualSystemManagementService Thanks and Regards Yogi