ROX-22051: retry tls dial in test

[janisz]

Description

From time to time we have an error on connecting to central in our non groovy e2e tls test. This PR adds retry mechanism to those calls (only if error is not expected).

Checklist

• Investigated and inspected CI test results
• Unit test and regression tests added
• Evaluated and added CHANGELOG entry if required
• Determined and documented upgrade steps
• Documented user facing changes (create PR based on openshift/openshift-docs and merge into rhacs-docs)

If any of these don't apply, please comment below.

Testing Performed

Here I tell how I validated my change

CI

Reminder for reviewers

In addition to reviewing code here, reviewers must also review testing and request further testing in case the
performed one does not seem sufficient. As a reviewer, you must not approve the change until you understand the
performed testing and you are satisfied with it.

[rhacs-bot]

Images are ready for the commit at d696498.

To use with deploy scripts, first export MAIN_IMAGE_TAG=4.4.x-698-gd696498d46.

[gavin-stackrox]

LGTM apart from minor spelling change required.

[openshift-ci]

@janisz: 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/gke-sensor-integration-tests	d696498	link	false	/test gke-sensor-integration-tests

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