add another test to reproduce the memory leak in snow, but failed
add another test to reproduce the memory leak in snow, but failed

jbowtie/gokogiri,jmcgill0brightcove/gokogiri,moovweb/gokogiri,ThomsonReutersEikon/gokogiri,jmcgill0brightcove/gokogiri,moovweb/gokogiri,jmcgill0brightcove/gokogiri,ThomsonReutersEikon/gokogiri,moovweb/gokogiri,jbowtie/gokogiri,jbowtie/gokogiri