Fix failing test

Signed-off-by: Nathalie Jonathan <[email protected]>

Author: nathaliellenaa

.ci/opensearch/Dockerfile

@@ -10,6 +10,7 @@ ARG opensearch_yml=$opensearch_path/config/opensearch.yml
 ARG SECURE_INTEGRATION
 RUN echo "plugins.ml_commons.only_run_on_ml_node: false" >> $opensearch_yml;
 RUN echo "plugins.ml_commons.native_memory_threshold: 100" >> $opensearch_yml;
+RUN echo "plugins.ml_commons.max_model_on_node: 20" >> $opensearch_yml;
 RUN if [ "$OPENSEARCH_VERSION" == "2.11.0" -o "$OPENSEARCH_VERSION" == "3.0.0-beta1" ] ; then \
     echo "plugins.ml_commons.model_access_control_enabled: true" >> $opensearch_yml; \
     echo "plugins.ml_commons.allow_registering_model_via_local_file: true" >> $opensearch_yml; \