Subject: avoid "Set preference list" during make test?

From: Tacitus Aedifex <[email-masked]>
Date: Tue, 28 Aug 2018 23:53:55 +0000

While running `make test` on the git source tree I keep getting asked:

  Set preference list to:
    Cipher: ...
    Digest: ...
    etc...

Is there any way to turn that prompt off so that `make test` completes without 
any keyboard input?

//tæ