This test has failed three times in a single day so there might be something going on. https://build-stats.elastic.co/app/kibana#/discover?_g=(refreshInterval:(pause:!t,value:0),time:(from:now%2Fd,mode:quick,to:now%2Fd))&_a=(columns:!(_source),index:e58bf320-7efd-11e8-bf69-63c8ef516157,interval:auto,query:(language:kuery,query:'test%20:%20%22testBulkRejectionAfterDynamicMappingUpdate%22'),sort:!(time,desc)) https://scans.gradle.com/s/4hnxzwvhv2cly/tests/kyv2y2z3r4v7m-jic22iqysng2u
