Since SNMP is a pain to install add a check which will be used
in all SNMP tests in future to silently skip SNMP tests if SNMP
has not been installed on the base system.
Signed-off-by: Pat Ruddy <pat@voltanet.io>
Simple test which creates a router running snmp and bgpd and
checks we can read the correct bgpVersion using snmp.
Signed-off-by: Pat Ruddy <pat@voltanet.io>