[DOCS] Mute failing test snippet
[DOCS] Mute failing test snippet

Original commit: elastic/x-pack-elasticsearch@c22ef3e792cf49a8faa37b0ce52538cc728e7828

vroyer/elassandra,strapdata/elassandra,strapdata/elassandra,vroyer/elassandra,strapdata/elassandra,vroyer/elassandra,strapdata/elassandra,strapdata/elassandra