tests: use opensearch2

run-tests.sh

@@ -54,7 +54,7 @@ fi
 
 python -m check_manifest
 python -m sphinx.cmd.build -qnN docs docs/_build/html
-eval "$(docker-services-cli up --db ${DB:-postgresql} --search ${SEARCH:-opensearch} --cache ${CACHE:-redis} --mq ${MQ:-rabbitmq} --env)"
+eval "$(docker-services-cli up --db ${DB:-postgresql} --search ${SEARCH:-opensearch2} --cache ${CACHE:-redis} --mq ${MQ:-rabbitmq} --env)"
 # Note: expansion of pytest_args looks like below to not cause an unbound
 # variable error when 1) "nounset" and 2) the array is empty.
 python -m pytest ${pytest_args[@]+"${pytest_args[@]}"}