Tanguy Leroux fcac3fbfd9 AutoFollowIT should not rely on assertBusy but should use latches instead (#49141)
AutoFollowIT relies on assertBusy() calls to wait for a given number of 
leader indices to be created but this is prone to failures on CI. Instead, 
we should use latches to indicate when auto-follow patterns must be 
paused and resumed.
2019-11-18 09:40:56 +01:00
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