* stable-2.15:
Fix invalid json example in POST access endpoint (remove array)
ElasticV7QueryChangesTest: Close indices after test
Upgrade Testcontainers to 1.10.2 and use ElasticsearchContainer
Adapt ElasticV{5,6,7}QueryProjectsTest accordingly, as these are only
implemented starting with stable-2.16.
Change-Id: I0666decbeda54cae6e59f7bba0caaaf5550f4318