Automatic merge from submit-queue (batch tested with PRs 51134, 51122, 50562, 50971, 51327)
Made the tests ensure that Cluster Autoscaler is on before running.
**What this PR does / why we need it**:
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Instead of using runReplicatedPodOnEachNode method
which is suited to a small number of nodes,
distribute pods on the nodes with desired load
using RCs that eat up all the space we want to be
empty after distribution.
