[minigraph]: fix unit test for minigraph generation

[lguohan]

Signed-off-by: Guohan Lu [email protected]

Description of PR

Summary:
Fixes # (issue)

Type of change

• Bug fix
• [] Testbed and Framework(new/improvement)
• [] Test case(new/improvement)

Approach

How did you do it?

How did you verify/test it?

johnar@1cafe0c9f994:/data/ansible$ for tbname in `grep ^vms testbed.csv  | awk -F ',' '{print $1}'`; do ./testbed-cli.sh test-mg $tbname lab password.txt; done | grep unreachable
str-msn2700-01             : ok=12   changed=0    unreachable=0    failed=0    skipped=19   rescued=0    ignored=0
str-msn2700-01             : ok=12   changed=0    unreachable=0    failed=0    skipped=19   rescued=0    ignored=0
str-msn2700-01             : ok=14   changed=0    unreachable=0    failed=0    skipped=17   rescued=0    ignored=0
lab-s6000-01               : ok=14   changed=0    unreachable=0    failed=0    skipped=17   rescued=0    ignored=0
lab-a7260-01               : ok=14   changed=0    unreachable=0    failed=0    skipped=17   rescued=0    ignored=0
lab-s6100-01               : ok=14   changed=0    unreachable=0    failed=0    skipped=17   rescued=0    ignored=0
lab-s6100-01               : ok=12   changed=0    unreachable=0    failed=0    skipped=19   rescued=0    ignored=0   
lab-s6100-01               : ok=12   changed=0    unreachable=0    failed=0    skipped=19   rescued=0    ignored=0   

Any platform specific information?

Supported testbed topology if it's a new test case?

Documentation