[Elasticsearch 6] Failing integration test: AssetTagNamesMultiLanguageTests with unexpected empty results

• Type: Task
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: None
• Component/s: Search Infrastructure > Elasticsearch Connector
• Labels:
  • es7liferay71failedtest
• Epic Link: Elasticsearch 7 in DXP 7.1
• Sprint: Search|S03 Sprint 21|9.1-9.21
• Git Pull Request: https://github.com/liferay-search/liferay-portal-ee/commit/d96eed966e104a7bfdb49cab4ea0ae42e8025e4c

After fixing LPS-119146, some integration test failures could be seen in other modules when running ci:test:search. One of  them are the multi-language tests for asset tag names:

• com.liferay.asset.tags.search.test.AssetTagNamesMultiLanguageSearchTest.testChineseTags
• com.liferay.asset.tags.search.test.AssetTagNamesMultiLanguageSearchTest.testEnglishTags
• com.liferay.asset.tags.search.test.AssetTagNamesMultiLanguageSearchTest.testJapaneseTags