https://github.com/processone/fast_tls/issues/59#issuecomment-1190378832
This might be caused by a missing "certs" directory in the OpenSSL
configuration directory as pointed out here:
- Bug#1013644: erlang-p1-tls: FTBFS: test failed Lucas Nussbaum
- Bug#1013644: erlang-p1-tls: FTBFS: test fa... Philipp Huebner
- Bug#1013644: erlang-p1-tls: FTBFS: tes... Lucas Nussbaum
- Bug#1013644: erlang-p1-tls: FTBFS:... Holger Weiß
- Bug#1013644: marked as done (erlang-p1-tls... Debian Bug Tracking System
