chore(tooling): lower the browser disconnect timeout
chore(tooling): lower the browser disconnect timeout

plugin-phone tests hang a lot in Firefox, so this allows us fail faster and restart the test where we left off. not ideal, but it seems to work for now.

urbenlegend/spark-js-sdk,adamweeks/spark-js-sdk,adamweeks/spark-js-sdk,tran2/spark-js-sdk,mwegman/spark-js-sdk,ciscospark/spark-js-sdk,tran2/spark-js-sdk,aimeex3/spark-js-sdk,mwegman/spark-js-sdk,bbender/spark-js-sdk,urbenlegend/spark-js-sdk,mwegman/spark-js-sdk,adamweeks/spark-js-sdk,aimeex3/spark-js-sdk,bbender/spark-js-sdk,aimeex3/spark-js-sdk,bbender/spark-js-sdk,ciscospark/spark-js-sdk