[http2.createSecureServer](https://nodejs.org/api/http2.html#http2_http2_createsecureserver_options_onrequesthandler) API is needed for test for moz bug [1545421 - Propagate useful proxy errors to WebExtensions](https://bugzilla.mozilla.org/show_bug.cgi?id=1545421), important prerequisite for upcoming secure proxy. Test introduced in that bug fails on infra with [an exception when requiring 'http2'](https://treeherder.mozilla.org/logviewer.html#/jobs?job_id=249378940&repo=try&lineNumber=1177-1187). Notejs support originally introduced at [1313099 - Try pulling node from tooltool](https://bugzilla.mozilla.org/show_bug.cgi?id=1313099).
http2.createSecureServer API is needed for test for moz bug 1545421 - Propagate useful proxy errors to WebExtensions, important prerequisite for upcoming secure proxy.
Test introduced in that bug fails on infra with an exception when requiring 'http2'.
Notejs support originally introduced at 1313099 - Try pulling node from tooltool.