limit DEFAULT_CTX_ID of tenant_500 from 4G to 2G

tools/deploy/mysql_test/test_suite/optimizer/t/bushy_leading_hint.test

@@ -316,7 +316,7 @@ where t1.c1 = t2.c1 and
       t4.d1 = t5.d1 AND
       t1.c1 + t2.c1  = t4.d1 + t5.d2 ;
 
---echo ### 9.
+--echo ### 9. 
 explain select /*+leading(t1 (t2 t3))*/* from t1,t3 where t1.a = t3.a and t1.b not in (select b from t2); #失效
 explain select /*+leading(t2 t3 t1)*/* from t1,t3 where t1.a = t3.a and t1.b not in (select b from t2); #失效
 explain select /*+leading(t3 t1 t2)*/* from t1,t3 where t1.a = t3.a and t1.b not in (select b from t2); #生效

tools/deploy/mysql_test/test_suite/optimizer/t/equal_set_mysql.test

@@ -399,7 +399,7 @@ explain select * from t1 where (t1.a, t1.b) in (select t2.a, t2.b from t2);
 explain select * from t1 where (t1.a, t1.b) in (select t2.a, t2.b from t2) and (t1.a, t1.b) in (select t3.a, t3.b from t3);
 explain select * from t1 where (t1.a, t1.b) in (select t2.a, t2.b from t2 where (t2.a, t2.b) in (select t3.a, t3.b from t3));
 
-##bug
+##bug 
 --disable_warnings
 drop table if exists t1, t2, t3;
 --enable_warnings 

tools/deploy/mysql_test/test_suite/optimizer/t/union_sort_opt.test

@@ -209,7 +209,7 @@ SELECT c1, c2 FROM (
   (SELECT c1, c2 FROM ts2 ORDER BY c2 DESC, c1 LIMIT 1)
 ) AS res order by 1,2;
 
-# bug:
+# bug: 
 
 --disable_warnings
 DROP TABLE IF EXISTS T1, T2, T3;