[WIP] Reduce agent leader election time in e2e test

[haoqing0110]

Ref: https://issues.redhat.com/browse/ACM-15860

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[sonarcloud]

Quality Gate failed

Failed conditions
33.3% Coverage on New Code (required ≥ 70%)

See analysis details on SonarQube Cloud

[openshift-ci]

@haoqing0110: 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/sonar-pre-submit	680a1c6	link	true	/test sonar-pre-submit

Full PR test history. Your PR dashboard.

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