Two of the secrets tests fail on Cygwin (at least in my normal working
environment) because there is no "Login" collection.  Not knowing
anything about this, I'm inclined to take the easy way out, as in the
attached patch.  Is there a better way of handling it?

Ken


In GNU Emacs 27.0.50 (build 6, x86_64-pc-cygwin, GTK+ Version 3.22.28)
  of 2018-12-01 built on moufang2
Repository revision: 070ef95c1007cb3d54e04bc337d9fb5463912cc1
Repository branch: master
Windowing system distributor 'The Cygwin/X Project', version 11.0.12002000