--disable_query_log
eval INSTALL PLUGIN mock SONAME '$MOCK_PLUGIN';
--enable_query_log

SELECT PLUGIN_NAME, PLUGIN_STATUS, PLUGIN_TYPE
FROM INFORMATION_SCHEMA.PLUGINS
WHERE PLUGIN_NAME="MOCK";

--error ER_ILLEGAL_HA
CREATE TABLE t1 (a INT) ENGINE MOCK;

--disable_query_log
UNINSTALL PLUGIN mock;
--enable_query_log