Fix cluster usage docs test
Fix cluster usage docs test

#27611 broke the docs tests because $node_name in the URL doesn't (#27616)seem to be replaced.

Changing this to a * to match all nodes seems to fix the test
strapdata/elassandra,strapdata/elassandra,vroyer/elassandra,strapdata/elassandra,vroyer/elasticassandra,vroyer/elassandra,vroyer/elassandra,vroyer/elasticassandra,strapdata/elassandra,vroyer/elasticassandra,strapdata/elassandra