These tests look to have been mistakenly deleted in 4.14 during the big monitortest refactor. We could use them right now to identify gcp jobs with spatter disruption.

[sig-network] there should be nearly zero single second disruptions for _
[sig-network] there should be reasonably few single second disruptions for _

Find out what happened and get them restored. Code is there but it looks like there are assumptions about extracting the backend name that may have been broken somewhere.