adding `rank_eval indices` API tests #1711

Job	Run time
test-opensearch-spec (version=1.3.17, hub=opensearchproject, tests=default)	1m 26s
test-opensearch-spec (version=2.0.0, hub=opensearchproject, tests=default)	1m 16s
test-opensearch-spec (version=2.18.0, hub=opensearchproject, tests=default)	1m 46s
test-opensearch-spec (version=2.18.0, hub=opensearchproject, tests=plugins/index_state_management)	57s
test-opensearch-spec (version=2.18.0, hub=opensearchproject, tests=plugins/ml)	1m 55s
test-opensearch-spec (version=2.18.0, hub=opensearchproject, tests=routing)	1m 19s
test-opensearch-spec (version=2.18.0, hub=opensearchproject, tests=snapshot)	54s
test-opensearch-spec (version=2.18.0, hub=opensearchproject, tests=dangling)	54s
test-opensearch-spec (version=2.18.0, hub=opensearchproject, tests=plugins/replication)	59s
test-opensearch-spec (version=2.18.0, hub=opensearchproject, tests=plugins/streaming)	1m 2s
test-opensearch-spec (version=2.18.0, hub=opensearchproject, tests=plugins/notifications)	1m 11s
test-opensearch-spec (version=2.18.0, hub=opensearchproject, tests=plugins/query_insights)	50s
test-opensearch-spec (version=2.18.0, hub=opensearchproject, tests=plugins/workload-management)	1m 16s
test-opensearch-spec (version=2.18.0, hub=opensearchproject, tests=plugins/analysis)	1m 8s
test-opensearch-spec (version=2.19.0, hub=opensearchstaging, tests=default)	1m 35s
test-opensearch-spec (version=3.0.0, hub=opensearchstaging, tests=default)	1m 49s
merge-coverage	19s
	20m 36s

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