flush status to have stable results in status variable tests.

test/sql/suite/groonga_storage/r/count_performance.result

@@ -1,4 +1,5 @@
 drop table if exists t1, t2, t3;
+flush status;
 create table t1 (c1 int primary key, c2 int, c3 text, key idx1(c2), fulltext index ft(c3));
 insert into t1 values(1,10,"aa ii uu ee oo");
 insert into t1 values(2,20,"ka ki ku ke ko");

test/sql/suite/groonga_storage/r/order_limit_performance.result

@@ -1,4 +1,5 @@
 drop table if exists t1;
+flush status;
 create table t1 (c1 int primary key, c2 int, c3 text, _id int, key idx1(c2), fulltext index ft(c3));
 insert into t1 values(1,10,"aa ii uu ee oo",null);
 insert into t1 values(2,20,"ka ki ku ke ko",null);

test/sql/suite/groonga_storage/t/count_performance.test

@@ -20,6 +20,7 @@
 drop table if exists t1, t2, t3;
 --enable_warnings
 
+flush status;
 create table t1 (c1 int primary key, c2 int, c3 text, key idx1(c2), fulltext index ft(c3));
 insert into t1 values(1,10,"aa ii uu ee oo");
 insert into t1 values(2,20,"ka ki ku ke ko");

test/sql/suite/groonga_storage/t/order_limit_performance.test

@@ -20,6 +20,7 @@
 drop table if exists t1;
 --enable_warnings
 
+flush status;
 create table t1 (c1 int primary key, c2 int, c3 text, _id int, key idx1(c2), fulltext index ft(c3));
 insert into t1 values(1,10,"aa ii uu ee oo",null);
 insert into t1 values(2,20,"ka ki ku ke ko",null);

test/sql/suite/groonga_wrapper/r/order_limit_performance.result

@@ -1,4 +1,5 @@
 drop table if exists t1;
+flush status;
 create table t1 (
 c1 int primary key,
 c2 int,

test/sql/suite/groonga_wrapper/t/order_limit_performance.test

@@ -21,6 +21,7 @@
 drop table if exists t1;
 --enable_warnings
 
+flush status;
 create table t1 (
   c1 int primary key,
   c2 int,