tests: provides WaitForAPIServerToStabilizeOnTheSameRevision waits until all API Servers are running at the same revision #949
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Provides a convenience function for ensuring that APIs have converged to the same revision. The function is meant to be used in tests that require rolling out a new version (i.e. config change).
The API Servers must stay on the same revision for at least
waitForAPIRevisionSuccessThreshold * waitForAPIRevisionSuccessInterval
.Mainly because of the difference between the propagation time of triggering a new release and the actual roll-out.
Observations: