Fixed tests.greendns_test.TestGetaddrinfo

[Kobla]

Asserting udp for ssh introduce test failures under debian unstable
because netbase 5.4 removed ssh (22/udp).
This fix changes ssh -> domain, which better suit for test name and
allows tcp and udp simultaneously.

[onovy]

CI fails is not related to this change, see #374

[codecov-io]

Current coverage is 53% (diff: 100%)

Merging #375 into master will decrease coverage by <1%

@@             master       #375   diff @@
==========================================
  Files            78         78          
  Lines          8948       8948          
  Methods           0          0          
  Messages          0          0          
  Branches       1538       1538          
==========================================
- Hits           4783       4779     -4   
- Misses         3852       3854     +2   
- Partials        313        315     +2   

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[temoto]

Just out of curiosity, are you saying new netbase package leaves Debian with /etc/protocols without ssh-22 line?

[temoto]

Thanks a lot.

[Kobla]

I dont know whether the /etc/protocols will contain ssh-22 line.
I think ssh 22/udp will be removed from /etc/services. (ssh 22/tcp persists)

[temoto]

Yeah, I meant services. Ah, now I get it. It's tcp/udp difference. That's clearly mistake on Eventlet side, thanks for fixing.