Automatic merge from submit-queue. 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>. Reimplement 2 tests using fakeexec **What this PR does / why we need it**: Used fakeexec API from utils/exec/testing to test GetKubeletVersion and KubeletVersionCheck APIs without running kubelet. ```release-note NONE ```