[CI] TimeSeriesAggregationsIT classMethod failing

[mark-vieira]

This test looks to be triggering OOMEs on occassion. This test was recently added in #82129 so perhaps they are related.

Build scan:
https://gradle-enterprise.elastic.co/s/jxghkiieanaye/tests/:server:internalClusterTest/org.elasticsearch.search.aggregations.TimeSeriesAggregationsIT/classMethod

Reproduction line:
./gradlew :server:internalClusterTest --tests org.elasticsearch.search.aggregations.TimeSeriesAggregationsIT

Applicable branches:
master

Reproduces locally?:
Didn't try

Failure history:
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.search.aggregations.TimeSeriesAggregationsIT&tests.test=classMethod

Failure excerpt:

java.lang.Exception: Suite timeout exceeded (>= 1200000 msec).

  at __randomizedtesting.SeedInfo.seed([BB4BF7246028F1CC]:0)

[elasticmachine]

Pinging @elastic/es-analytics-geo (Team:Analytics)

[mark-vieira]

@imotov since you authored this test recently could you perhaps take a look?