Test fix for SignificantTermsAggregatorTests #25499
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…tistics that when merged are assumed to be from different shards. The Aggregator unit tests assume segments can be treated as shards and thus break the significance stats and introduce double-counting of background doc frequencies. This change addresses this problem by ensuring test indexes have only one shard. Closes elastic#25429
nik9000
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jasontedor
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* master: (52 commits) Include shared/attributes.asciidoc from docs master Fixed page breaks for ICU Collation Keyword Fields Remove QueryParseContext (elastic#25486) [Test] Use a common testing class for all XContent filtering tests (elastic#25491) Tests fix - Significant terms/text aggs (elastic#25499) [DOCS] add docs for REST high level client index method (elastic#25501) Tests: Add Debian 9 (Stretch) to the packaging tests test: Run flush before upgrade and refresh after upgrade. Fix third party audit for repository-hdfs [TEST] Expect nodes getting disconnected quickly testPrimaryFailureIncreasesTerm should use assertBusy to wait for yellow Cleanup network / transport related settings (elastic#25489) Fix repository-hdfs plugin packaging test Remove allocation id from replica replication response (elastic#25488) Adjust BWC version on bad allocation request test Upgrading HDFS Repository Plugin to use HDFS 2.8.1 Client (elastic#25497) Adjust status on bad allocation explain requests Preliminary support for ARM Add doc note regarding explicit publish host Fix typo in name of test ...
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Significant terms/text aggs return Lucene index-level statistics that when merged are assumed to be from different shards. However the Aggregator unit tests assume segments can be treated as shards and thus break the significance stats by introducing double-counting of background doc frequencies. This change addresses this problem by ensuring test indexes have only one shard.
Closes #25429