Add the test case to verify BGP NLRI prefixes

[vitthalmagadum]

• All $EBGP_NEI_IP BGP sessions must be listed and for these sessions "NLRI Rcd" must equal "NLRI Acc"

DLF0001-FAB1#show bgp summary
BGP summary information for VRF default
Router identifier 10.10.8.x, local AS number xxxxxx
Neighbor                AS Session State AFI/SAFI                    AFI/SAFI State                      NLRI Rcd   NLRI Acc
---------- ----------- ------------- ----------------------- -------------- ---------- ----------
10.10.0.5        4221971001 Established   IPv4 Unicast                        Negotiated               85             85
$EBGP_NEI_IP  4221971602 Established   IPv4 Unicast                Negotiated                   74             74