[Flaky Test] Integ Test for IndexManagementDashboard are flaky

[shiv0408]

What is the bug?
When integ-test for this package are ran, the test result is flaky. For Ex: for the build https://build.ci.opensearch.org/job/distribution-build-opensearch-dashboards/7942/, there were multiple tries for integ tests, where the tests passed in https://build.ci.opensearch.org/me/my-views/view/all/job/integ-test-opensearch-dashboards/6436/ but failed in https://build.ci.opensearch.org/me/my-views/view/all/job/integ-test-opensearch-dashboards/6452.

How can one reproduce the bug?
No clear way to reproduce.

What is the expected behavior?
Test should always pass.

What is your host/environment?

• OS: [e.g. iOS]
• Version [e.g. 22]
• Plugins

Do you have any screenshots?
If applicable, add screenshots to help explain your problem.

Do you have any additional context?
Add any other context about the problem.

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[Catch All Triage - 1, 2, 3, 4]