Also make sure that the test do not 'pass' if their initialization fails.
Leave out the expensive parts of DSA key gen and RSA keygen for efficiency.
Fix use of the new CA configuration file test/ca-and-certs.cnf.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11733)
