Fix the scale from 0 to 1 test (#3007)
Fix the scale from 0 to 1 test (#3007)

* Fix the scale from 0 to 1 test

* Update test/performance/scale_from_zero_test.go

Co-Authored-By: vagababov <29ed1c40bf00f9a71e313ca3262e986de0ae4ddf@users.noreply.github.com>

knative/serving,knative/serving