Flaky test: TestEventsImageImport #18673
Description
From #18661 and #18399 on Windows:
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FAIL: docker_cli_events_test.go:217: DockerSuite.TestEventsImageImport
docker_cli_events_test.go:254:
c.Fatal("failed to observe image import in timely fashion")
... Error: failed to observe image import in timely fashion
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