[BEAM-3598][BEAM-3599][BEAM-3605] Sickbay flaky KinesisIO tests

[kennknowles]

This sets flaky tests to be ignored. I have opened a thread on the dev list about what to do about KinesisIO now that there are quite a few tests ignored.

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[kennknowles]

retest this please

[kennknowles]

In a cruel twist, the Apex flake hit gradle and Python flaked in its own way.