Error: [init({"browserName":"microsoftedge","version":"20.10240","build":"https://travis-ci.org/cben/mathdown/builds/132204476 [gh-pages] commit fe54fad1b35321790abeae9d28570fdf1fcd7375","tags":["travis"],"idle-timeout":30000,"name":"smoke test","tunnel-identifier":"Tunnel1463990010191"})] The environment you requested was unavailable.
https://travis-ci.org/cben/mathdown/builds/132204476 and other greenkeeper PRs fail travis with: