Lower SLO for TestScaleToN. (#3191)
Lower SLO for TestScaleToN. (#3191)

* Lower SLO for TestScaleToN.

Since Istio 1.1 will solve some of the scaling issues, I think we
should lower these SLOs for now.  We should revisit again after
migrating to Istio 1.1.

* Update doc comment with reminder and correct expectation.

knative/serving,knative/serving