test: retry backup operation 20 times #1117
Merged
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The backup operations can still fail because of too many pending operations. It would retry 10 times with waiting 60 seconds between each attempt, but that does not seem to be enough. The max attempts has therefore been increased to 20 and better logging has been created by throwing a custom exception when it happens. The previous log was not visible, because the sample runners are redirecting the standard out to a string.
Fixes #1019