Fixup spec

Author: Meatballs1

spec/lib/metasploit/framework/login_scanner/snmp_spec.rb

@@ -37,6 +37,8 @@
       snmp_scanner.host = '127.0.0.1'
       snmp_scanner.port = 161
       snmp_scanner.connection_timeout = 1
+      snmp_scanner.retries = 0
+      snmp_scanner.version = 'all'
       snmp_scanner.stop_on_success = true
       snmp_scanner.cred_details = detail_group
     end