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In Zen 1 there are commit timeout and publish timeout and these
settings could be changed on-the-fly.
In Zen 2, there is only commit timeout and this setting is static.
RareClusterStateIT is actively using these settings and the fact, they
are dynamic.
This commit adds
cancelCommitedPublication
method toCoordinator
tobe used by tests. This method will cancel current committed publication
if there is any.
When there is
BlockClusterStateProcessing
on the non-master node, thepublication will be accepted and committed, but not yet applied. So we
can use the method above to cancel it.
Also, this commit replaces callback + AtomicReference with ActionFuture,
which makes test code easier to read.