Bug#20022 mysql-test-run can't be run with secure connections turned on for all testcases

 - Part 1, fixes rpl- and federated-tests where connection is made to 127.0.0.1

client/mysqltest.c

@@ -2381,6 +2381,9 @@ int do_connect(struct st_query *q)
 #ifdef HAVE_OPENSSL
   if (opt_use_ssl || con_ssl)
   {
+    /* Turn on ssl_verify_server_cert only if host is "localhost" */
+    opt_ssl_verify_server_cert= !strcmp(con_host, "localhost");
+
     mysql_ssl_set(&next_con->mysql, opt_ssl_key, opt_ssl_cert, opt_ssl_ca,
 		  opt_ssl_capath, opt_ssl_cipher);
     mysql_options(&next_con->mysql, MYSQL_OPT_SSL_VERIFY_SERVER_CERT,