Benchmark should only load sample catalogs that end in .json
Benchmark should only load sample catalogs that end in .json

Signed-off-by: Deepak Giridharagopal <d11186354d1ef01ca06ae37d7e23e827da13e85f@puppetlabs.com>

kbrezina/puppetdb,puppetlabs/puppetdb,puppetlabs/puppetdb,kbarber/puppetdb,ajroetker/puppetdb,haus/puppetdb,shrug/puppetdb,mullr/puppetdb,kbrezina/puppetdb,johnduarte/puppetdb,grimradical/puppetdb,mullr/puppetdb,senior/puppetdb,kbrezina/puppetdb,mullr/puppetdb,melissa/puppetdb,rbrw/puppetdb,cprice404/puppetdb,wkalt/puppetdb,johnduarte/puppetdb,kbarber/puppetdb,cprice404/puppetdb,wkalt/puppetdb,github/puppetlabs-puppetdb,rbrw/puppetdb,shrug/puppetdb,kbarber/puppetdb,jantman/puppetdb,highb/puppetdb,ajroetker/puppetdb,jantman/puppetdb,senior/puppetdb,shrug/puppetdb,highb/puppetdb,rbrw/puppetdb,kbrezina/puppetdb,haus/puppetdb,stahnma/puppetdb,grimradical/puppetdb,kbarber/puppetdb,highb/puppetdb,stahnma/puppetdb,grimradical/puppetdb,mullr/puppetdb,nfagerlund/puppetdb,melissa/puppetdb,puppetlabs/puppetdb,melissa/puppetdb,shrug/puppetdb,jantman/puppetdb,nfagerlund/puppetdb,wkalt/puppetdb,puppetlabs/puppetdb,puppetlabs/puppetdb,senior/puppetdb,ajroetker/puppetdb,github/puppetlabs-puppetdb,highb/puppetdb,senior/puppetdb,johnduarte/puppetdb,nfagerlund/puppetdb,rbrw/puppetdb,johnduarte/puppetdb,waynr/puppetdb,github/puppetlabs-puppetdb,waynr/puppetdb,stahnma/puppetdb,cprice404/puppetdb,wkalt/puppetdb,grimradical/puppetdb,waynr/puppetdb,mullr/puppetdb,ajroetker/puppetdb,waynr/puppetdb,haus/puppetdb,rbrw/puppetdb