Fix and unmute testSetUpgradeMode_ExistingTaskGetsUnassigned#55368

Merged

przemekwitek merged 4 commits intoelastic:masterfrom

przemekwitek:upgrade_mode_assert_busy

Apr 20, 2020

Commits on Apr 20, 2020

Wrap `GetDataFrameAnalyticsStatsAction` calls in `assertBusy` so that intermittent search failures do not affect the test
Przemyslaw Witek
committed
Unmute testSetUpgradeMode_ExistingTaskGetsUnassigned test case
Przemyslaw Witek
committed
Report which request failed
Przemyslaw Witek
committed
Add/enhance various log lines in order to improve debuggability
Przemyslaw Witek
committed