Mock network based tests so they are fast, deterministic, and can run with no network access.
Mock network based tests so they are fast, deterministic, and can run
with no network access.

xjzhou/flanker,EthanBlackburn/flanker,stefanw/flanker,mailgun/flanker,aroberts/flanker,glyph/flanker,nylas/flanker,EncircleInc/addresslib,smokymountains/flanker