Test sending a cookie without a key_share Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/3414)
We just check that if we insert a cookie into an HRR it gets echoed back in the subsequent ClientHello. Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/2839)