Disabled integtest in core, because there are no *IT tests anymore.
Disabled integtest in core, because there are no *IT tests anymore.

Original commit: elastic/x-pack-elasticsearch@9bd68bd86ead2dd786896189e6d75c1cf647659a

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