add test code for the feature of Not exist hosts hostgroup
fix test code for specification change of run_ipmitool
fix the problem of over 64 characters limit of visible name
fix logic of adjusting visible name
add hostgroup "Not exist hosts" to zabbix api mock
remove no use params & add adjust process for inventory "name"
fix the test code associated with the change of method name
fix the test case
fix the test code for the change of specification about the decision of main interface