Allow some tests to create more then 1 shard.
Allow some tests to create more then 1 shard.

This is needed when we want to test things with a routing param.

vlajos/Elastica,Mosoc/Elastica,Mosoc/Elastica,fubuki/Elastica,idio/elastica,tmatei/Elastica,piotrantosik/Elastica,Southparkfan/Elastica,pborreli/Elastica,giorrrgio/Elastica,ARAMISAUTO/Elastica,JustinHook/Elastica,kartikm/Elastica,miniplay/Elastica,revinate/Elastica,ewgRa/Elastica,p365labs/Elastica,falconavs/Elastica,ruflin/Elastica,sugarcrm/Elastica,im-denisenko/Elastica,Southparkfan/Elastica,Tobion/Elastica,ewgRa/Elastica,revinate/Elastica,jeancsil/Elastica,0x46616c6b/Elastica,piotrantosik/Elastica,ebernhardson/Elastica,fubuki/Elastica,Tobion/Elastica,giovannialbero1992/Elastica,miniplay/Elastica,pborreli/Elastica,eilgin/Elastica,eilgin/Elastica,jeancsil/Elastica,sugarcrm/Elastica,falconavs/Elastica,webdevsHub/Elastica,Gasol/Elastica,ebernhardson/Elastica,stof/Elastica,markeilander/Elastica,tmatei/Elastica,im-denisenko/Elastica,webdevsHub/Elastica,Jmoati/Elastica,giorrrgio/Elastica,kartikm/Elastica,0x46616c6b/Elastica,idio/elastica,JustinHook/Elastica,Gasol/Elastica,splitice/Elastica,vlajos/Elastica,p365labs/Elastica,markeilander/Elastica,stof/Elastica,ARAMISAUTO/Elastica,giovannialbero1992/Elastica,Jmoati/Elastica