python: Add more tests.
* lang/python/tests/Makefile.am (py_tests): Add new tests. * lang/python/tests/support.py (print_data): New function. * lang/python/tests/t-decrypt.py: Use new function. * lang/python/tests/t-encrypt.py: Likewise. * lang/python/tests/t-sign.py: New file. * lang/python/tests/t-encrypt-sym.py: Likewise.
- Signed-off-by: Justus Winter <justus@gnupg.org>