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Automatic merge from submit-queue (batch tested with PRs 56250, 56809, 56812, 56792, 56724). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Set NON_MASQUERADE_CIDR in gce/config-test **What this PR does / why we need it**: Ref https://github.com/kubernetes/kubernetes/issues/56727. Follow up of https://github.com/kubernetes/kubernetes/pull/55178. Making test configuration consistent with normal cluster. **Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*: Fixes #NONE **Special notes for your reviewer**: /assign @dnardo @thockin **Release note**: ```release-note NONE ```