tests/openpgp: Port the remaining tests to Scheme.
* tests/openpgp/Makefile.am (TESTS): Add new tests. * tests/openpgp/defs.scm (gpg-with-colons): New function. (get-config): Use new function. * tests/openpgp/export.scm: New file. * tests/openpgp/tofu.scm: Likewise.
- Signed-off-by: Justus Winter <justus@g10code.com>