tests/openpgp: Fake the system time for the tofu test.
The keys in the tofu test are set to expire on 2016-09-17. Fake the
system time for this test.
This commit includes changes to the old test as well, for those who
need to backport it.
- tests/openpgp/gpg-agent.conf.tmpl: Drop trailing newlines.
- tests/openpgp/tofu.scm: Fake system time.
- tests/openpgp/tofu.test: Likewise.
- GnuPG-bug-id: T2393
- Signed-off-by: Justus Winter <justus@g10code.com>