adds fail test to double parse the same document with the same parser instance
adds fail test to double parse the same document with the same parser instance

Moharu/node-expat,node-xmpp/node-expat,julianduque/node-expat,julianduque/node-expat,node-xmpp/node-expat,c4milo/node-expat,noahjs/node-expat,Moharu/node-expat,node-xmpp/node-expat,noahjs/node-expat,c4milo/node-expat,julianduque/node-expat,Moharu/node-expat,noahjs/node-expat