[DOCS] Re-enabled graph API example testing.
[DOCS] Re-enabled graph API example testing.

Original commit: elastic/x-pack-elasticsearch@c83e6eb6124282385522b48d70a2bba7d2fa9f63

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