ART-11446: images-health should report only failures

[mbiarnes]

when there are more than one build

[openshift-ci-robot]

@mbiarnes: This pull request references ART-11446 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:

when there are more than one build

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[locriandev]

I don't think this is doing what we need. If only latest attempt failed, we will get a notification anyway. This line needs to change to account only for a number of failures > 1

[openshift-ci]

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[locriandev]

This is still not fixing the issue. This line is executed when only latest attempt failed

[openshift-ci]

@mbiarnes: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/security	4c6246e	link	false	/test security

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