./phantomjs_test.pl 
Can't exec "phantomjs": No such file or directory at /usr/lib/perl5/site_perl/5.14/WWW/Mechanize/PhantomJS.pm line 131.
Couldn't launch [| phantomjs /usr/lib/perl5/site_perl/5.14/WWW/Mechanize/PhantomJS/ghostdriver/main.js --port=8910 --logLevel=OFF]: No such file or directory / 0 at /usr/lib/perl5/site_perl/5.14/WWW/Mechanize/PhantomJS.pm line 131.