Test on Elasticsearch 5.3
Test on Elasticsearch 5.3

spanner/searchkick,st0012/searchkick,johan--/searchkick,Xtinct/searchkick,st0012/searchkick,mikelkew/searchkick,mikelkew/searchkick,Xtinct/searchkick,spanner/searchkick,johan--/searchkick,ankane/searchkick