[ruby/openssl] test_pkey.rb: Refactor the test_ed25519 on FIPS.
https://github.com/ruby/openssl/commit/4d64c38ed0
[ruby/openssl] test_pkey.rb: Refactor the test_ed25519 on FIPS.
https://github.com/ruby/openssl/commit/4d64c38ed0