[ruby/open-uri] Move certificates under the TestOpenURIUtils
https://github.com/ruby/open-uri/commit/a28c2da5d2
[ruby/open-uri] Move certificates under the TestOpenURIUtils
https://github.com/ruby/open-uri/commit/a28c2da5d2