MDEV-32168: slave_error_param condition is never checked from the wait_for_slave_param.inc

Fix sporadic test failure in rpl.rpl_ssl1. The test incorrectly did a STOP
SLAVE too early, which could race with the expected 'Access denied' error.
Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>

mysql-test/suite/rpl/r/rpl_ssl1.result

@@ -14,8 +14,8 @@ insert into t1 values (1);
 connection slave;
 select * from t1;
 t
-stop slave;
 include/wait_for_slave_io_error.inc [errno=1045]
+include/stop_slave_sql.inc
 change master to master_ssl=1 , master_ssl_ca ='MYSQL_TEST_DIR/std_data/cacert.pem', master_ssl_cert='MYSQL_TEST_DIR/std_data/client-cert.pem', master_ssl_key='MYSQL_TEST_DIR/std_data/client-key.pem';
 start slave;
 include/wait_for_slave_to_start.inc

mysql-test/suite/rpl/t/rpl_ssl1.test

@@ -29,9 +29,9 @@ connection slave;
 select * from t1;
 
 #showing that replication could work with ssl params
-stop slave;
 --let $slave_io_errno=1045
 --source include/wait_for_slave_io_error.inc
+--source include/stop_slave_sql.inc
 
 --replace_result $MYSQL_TEST_DIR MYSQL_TEST_DIR
 eval change master to master_ssl=1 , master_ssl_ca ='$MYSQL_TEST_DIR/std_data/cacert.pem', master_ssl_cert='$MYSQL_TEST_DIR/std_data/client-cert.pem', master_ssl_key='$MYSQL_TEST_DIR/std_data/client-key.pem';