add guava as a test dependency for jimfs
add guava as a test dependency for jimfs

Original commit: elastic/x-pack-elasticsearch@331f834729273a592b0bfa390008a40d0c1b0a74

coding0011/elasticsearch,robin13/elasticsearch,GlenRSmith/elasticsearch,GlenRSmith/elasticsearch,GlenRSmith/elasticsearch,uschindler/elasticsearch,coding0011/elasticsearch,gingerwizard/elasticsearch,scorpionvicky/elasticsearch,robin13/elasticsearch,GlenRSmith/elasticsearch,gfyoung/elasticsearch,nknize/elasticsearch,HonzaKral/elasticsearch,strapdata/elassandra,vroyer/elassandra,uschindler/elasticsearch,strapdata/elassandra,gfyoung/elasticsearch,uschindler/elasticsearch,gfyoung/elasticsearch,coding0011/elasticsearch,gingerwizard/elasticsearch,gingerwizard/elasticsearch,coding0011/elasticsearch,scorpionvicky/elasticsearch,GlenRSmith/elasticsearch,vroyer/elassandra,gingerwizard/elasticsearch,uschindler/elasticsearch,robin13/elasticsearch,robin13/elasticsearch,gfyoung/elasticsearch,nknize/elasticsearch,nknize/elasticsearch,strapdata/elassandra,gingerwizard/elasticsearch,HonzaKral/elasticsearch,strapdata/elassandra,strapdata/elassandra,HonzaKral/elasticsearch,scorpionvicky/elasticsearch,HonzaKral/elasticsearch,uschindler/elasticsearch,nknize/elasticsearch,coding0011/elasticsearch,gingerwizard/elasticsearch,scorpionvicky/elasticsearch,vroyer/elassandra,gfyoung/elasticsearch,gingerwizard/elasticsearch,nknize/elasticsearch,scorpionvicky/elasticsearch,robin13/elasticsearch