This test checks the bgp crash on rt2 when 2 commands
launched consequently:
T0: rr, config -> router bgp 65004 -> neighbor 192.168.12.2 password 8888
T1: rt2, snmpwalk -v 2c -c public 127.0.0.1 .1.3.6.1.4.1.7336.4.2.1
T2: test if rt2 bgp is crashed.
Signed-off-by: Dmytro Shytyi <dmytro.shytyi@6wind.com>