diff --git a/mysql-test/main/subselect.result b/mysql-test/main/subselect.result
index d2ae34029be..61742b0289c 100644
--- a/mysql-test/main/subselect.result
+++ b/mysql-test/main/subselect.result
@@ -7163,6 +7163,7 @@ drop table t1;
 #
 # MDEV-7565: Server crash with Signal 6 (part 2)
 #
+truncate table mysql.slow_log;
 Select 
 (Select Sum(`TestCase`.Revenue) From mysql.slow_log E           
 Where TestCase.TemplateID not in (Select 1 from mysql.slow_log where 2=2)
diff --git a/mysql-test/main/subselect.test b/mysql-test/main/subselect.test
index a17fc408500..7a0b77bcee5 100644
--- a/mysql-test/main/subselect.test
+++ b/mysql-test/main/subselect.test
@@ -1171,8 +1171,10 @@ create table t1 (a int, b decimal(13, 3));
 insert into t1 values (1, 0.123);
 let $outfile_abs= $MYSQLTEST_VARDIR/tmp/subselect.out.file.1;
 let $outfile_rel= ../../tmp/subselect.out.file.1;
+--disable_warnings
 --error 0,1
 --remove_file $outfile_abs
+--enable_warnings
 eval select a, (select max(b) from t1) into outfile "$outfile_rel" from t1;
 delete from t1;
 eval load data infile "$outfile_rel" into table t1;
@@ -5990,6 +5992,8 @@ drop table t1;
 --echo #
 --echo # MDEV-7565: Server crash with Signal 6 (part 2)
 --echo #
+
+truncate table mysql.slow_log;
 Select 
   (Select Sum(`TestCase`.Revenue) From mysql.slow_log E           
     Where TestCase.TemplateID not in (Select 1 from mysql.slow_log where 2=2)
diff --git a/mysql-test/main/subselect_no_exists_to_in.result b/mysql-test/main/subselect_no_exists_to_in.result
index f508cb259bb..c3b7f803838 100644
--- a/mysql-test/main/subselect_no_exists_to_in.result
+++ b/mysql-test/main/subselect_no_exists_to_in.result
@@ -7163,6 +7163,7 @@ drop table t1;
 #
 # MDEV-7565: Server crash with Signal 6 (part 2)
 #
+truncate table mysql.slow_log;
 Select 
 (Select Sum(`TestCase`.Revenue) From mysql.slow_log E           
 Where TestCase.TemplateID not in (Select 1 from mysql.slow_log where 2=2)
diff --git a/mysql-test/main/subselect_no_mat.result b/mysql-test/main/subselect_no_mat.result
index 02cb92fde08..1b02363588b 100644
--- a/mysql-test/main/subselect_no_mat.result
+++ b/mysql-test/main/subselect_no_mat.result
@@ -7156,6 +7156,7 @@ drop table t1;
 #
 # MDEV-7565: Server crash with Signal 6 (part 2)
 #
+truncate table mysql.slow_log;
 Select 
 (Select Sum(`TestCase`.Revenue) From mysql.slow_log E           
 Where TestCase.TemplateID not in (Select 1 from mysql.slow_log where 2=2)
diff --git a/mysql-test/main/subselect_no_opts.result b/mysql-test/main/subselect_no_opts.result
index 72b148b59d4..040b3fbf150 100644
--- a/mysql-test/main/subselect_no_opts.result
+++ b/mysql-test/main/subselect_no_opts.result
@@ -7154,6 +7154,7 @@ drop table t1;
 #
 # MDEV-7565: Server crash with Signal 6 (part 2)
 #
+truncate table mysql.slow_log;
 Select 
 (Select Sum(`TestCase`.Revenue) From mysql.slow_log E           
 Where TestCase.TemplateID not in (Select 1 from mysql.slow_log where 2=2)
diff --git a/mysql-test/main/subselect_no_scache.result b/mysql-test/main/subselect_no_scache.result
index 4717eb9bd15..5d09a9cb52e 100644
--- a/mysql-test/main/subselect_no_scache.result
+++ b/mysql-test/main/subselect_no_scache.result
@@ -7169,6 +7169,7 @@ drop table t1;
 #
 # MDEV-7565: Server crash with Signal 6 (part 2)
 #
+truncate table mysql.slow_log;
 Select 
 (Select Sum(`TestCase`.Revenue) From mysql.slow_log E           
 Where TestCase.TemplateID not in (Select 1 from mysql.slow_log where 2=2)
diff --git a/mysql-test/main/subselect_no_semijoin.result b/mysql-test/main/subselect_no_semijoin.result
index 9450cf4fe9c..50625b2e1b5 100644
--- a/mysql-test/main/subselect_no_semijoin.result
+++ b/mysql-test/main/subselect_no_semijoin.result
@@ -7154,6 +7154,7 @@ drop table t1;
 #
 # MDEV-7565: Server crash with Signal 6 (part 2)
 #
+truncate table mysql.slow_log;
 Select 
 (Select Sum(`TestCase`.Revenue) From mysql.slow_log E           
 Where TestCase.TemplateID not in (Select 1 from mysql.slow_log where 2=2)