TRT-1912: Treat flake as failures in component readiness

[xueqzhan]

/hold for now.

[openshift-ci-robot]

@xueqzhan: This pull request references TRT-1912 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "4.19.0" version, but no target version was set.

In response to this:

/hold for now.

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[openshift-ci]

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