$ node bin/parserTests.js --wt2html --wt2wt --html2wt --html2html --selser --no-color --quiet --blacklist
Starting Mock API server.
Mock MediaWiki API started on: 59337
warning ParserTests.txt not up-to-date with upstream.
ParserTests running with node v5.7.0
Initialization complete. Now launching tests.
TypeError: Cannot read property 'connectTimeoutTimer' of undefined
at ConnectTimeoutAgent.createSocket (/home/fox/website/parsoid/lib/mw/ApiRequest.js:31:40) at ConnectTimeoutAgent.Agent.addRequest (_http_agent.js:141:10) at new ClientRequest (_http_client.js:147:16) at Object.exports.request (http.js:31:10) at Request.start (/home/fox/website/parsoid/node_modules/request/request.js:793:30) at Request.end (/home/fox/website/parsoid/node_modules/request/request.js:1391:10) at end (/home/fox/website/parsoid/node_modules/request/request.js:564:14) at Immediate._onImmediate (/home/fox/website/parsoid/node_modules/request/request.js:578:7) at processImmediate [as _immediateCallback] (timers.js:383:17)
I get the same error when running the server and trying to edit something using VE.