Add manticore header to unit tests to avoid transient error#205

alexcams merged 2 commits intologstash-plugins:mainlogstash-plugins/logstash-filter-elasticsearch:mainfrom

alexcams:fix-unit-tests-transient-error-uninitialized-manticorealexcams/logstash-filter-elasticsearch:fix-unit-tests-transient-error-uninitialized-manticoreCopy head branch name to clipboard