Going to test vty_cmd_string_from_valstr()
Tested with %s-strings, resulting cmd = '[prefix%s%s%s%s%s][foo%s%s%s%s%s][sep%s%s%s%s%s][bar%s%s%s%s%s][end%s%s%s%s%s]'
Going to test VTY node tree structure
Going to execute 'enable'
Returned: 0, Current node: 3 '%s# '
Going to execute 'configure terminal'
Returned: 0, Current node: 4 '%s(config)# '
Going to execute 'exit'
Returned: 0, Current node: 3 '%s# '
Going to execute 'configure terminal'
Returned: 0, Current node: 4 '%s(config)# '
Going to execute 'end'
Returned: 0, Current node: 3 '%s# '
Going to execute 'configure terminal'
Returned: 0, Current node: 4 '%s(config)# '
Going to execute 'log stderr'
Returned: 0, Current node: 7 '%s(config-log)# '
Going to execute 'exit'
Returned: 0, Current node: 4 '%s(config)# '
Going to execute 'log stderr'
Returned: 0, Current node: 7 '%s(config-log)# '
Going to execute 'end'
Returned: 0, Current node: 3 '%s# '
Going to execute 'configure terminal'
Returned: 0, Current node: 4 '%s(config)# '
Going to execute 'line vty'
Returned: 0, Current node: 8 '%s(config-line)# '
Going to execute 'exit'
Returned: 0, Current node: 4 '%s(config)# '
Going to execute 'line vty'
Returned: 0, Current node: 8 '%s(config-line)# '
Going to execute 'end'
Returned: 0, Current node: 3 '%s# '
Going to execute 'configure terminal'
Returned: 0, Current node: 4 '%s(config)# '
Going to execute 'log stderr'
Returned: 0, Current node: 7 '%s(config-log)# '
Going to execute 'line vty'
Returned: 0, Current node: 8 '%s(config-line)# '
Going to execute 'log stderr'
Returned: 0, Current node: 7 '%s(config-log)# '
Going to execute 'end'
Returned: 0, Current node: 3 '%s# '
Going to execute 'exit'
Returned: 0, Current node: 3 '%s# '
All tests passed