MDEV-6682 innodb.innodb_simulate_comp_failures_small is too slow

if it's run on a real disk

Made test smaller.

mysql-test/suite/innodb/r/innodb_simulate_comp_failures_small.result

@@ -5,4 +5,4 @@ CREATE TABLE t1(id INT AUTO_INCREMENT PRIMARY KEY, msg VARCHAR(255), KEY msg_i(m
 SET GLOBAL innodb_simulate_comp_failures = 25;
 SELECT COUNT(*) FROM t1;
 COUNT(*)
-10000
+1000

mysql-test/suite/innodb/t/innodb_simulate_comp_failures_small.test

---let $num_inserts = 10000
---let $num_ops = 300
+--let $num_inserts = 1000
+--let $num_ops = 30
 --source suite/innodb/include/innodb_simulate_comp_failures.inc
 # clean exit
 --exit