Repair any table in mysql database as part of cleaning up from previous runs

mysql-test/t/mysqlcheck.test

@@ -14,6 +14,9 @@
 DROP TABLE IF EXISTS t1, `t``1`, `t 1`;
 drop view if exists v1;
 drop database if exists client_test_db;
+# Repair any tables in mysql, sometimes the slow_log is marked as crashed
+# after server has been killed
+--exec $MYSQL_CHECK --repair  --databases mysql > /dev/null 2>&1
 --enable_warnings
 
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