diff --git a/tests/queries/0_stateless/01098_temporary_and_external_tables.sh b/tests/queries/0_stateless/01098_temporary_and_external_tables.sh
index 860529a26e5..9ed78fd9f81 100755
--- a/tests/queries/0_stateless/01098_temporary_and_external_tables.sh
+++ b/tests/queries/0_stateless/01098_temporary_and_external_tables.sh
@@ -25,7 +25,7 @@ echo "SELECT COUNT() FROM $internal_table_name" | ${CLICKHOUSE_CURL} -m 60 -sSgk
 
 echo -ne '0\n1\n' | ${CLICKHOUSE_CURL} -m 30 -sSkF 'file=@-' "$url&file_format=CSV&file_types=UInt64&query=SELECT+sum((number+GLOBAL+IN+(SELECT+number+AS+n+FROM+remote('127.0.0.2',+numbers(5))+WHERE+n+GLOBAL+IN+(SELECT+*+FROM+tmp_table)+AND+n+GLOBAL+NOT+IN+(SELECT+*+FROM+file)+))+AS+res),+sum(number*res)+FROM+remote('127.0.0.2',+numbers(10))"
 
-echo -ne '0\n1\n' | ${CLICKHOUSE_CURL} -m 30 -sSkF 'file=@-' "$url&file_format=CSV&file_types=UInt64&query=SELECT+_1%2BsleepEachRow(3)+FROM+file" &
+echo -ne '0\n1\n' | ${CLICKHOUSE_CURL} -m 30 -sSkF 'file=@-' "$url&function_sleep_max_microseconds_per_block=0&file_format=CSV&file_types=UInt64&query=SELECT+_1%2BsleepEachRow(3)+FROM+file" &
 
 wait
 ${CLICKHOUSE_CURL} -m 30 -sSk "$url" --data "DROP TEMPORARY TABLE tmp_table"
diff --git a/tests/queries/0_stateless/01532_execute_merges_on_single_replica_long.sql b/tests/queries/0_stateless/01532_execute_merges_on_single_replica_long.sql
index 4bd5e79d1b3..30beb29251e 100644
--- a/tests/queries/0_stateless/01532_execute_merges_on_single_replica_long.sql
+++ b/tests/queries/0_stateless/01532_execute_merges_on_single_replica_long.sql
@@ -44,7 +44,7 @@ SYSTEM STOP REPLICATION QUEUES execute_on_single_replica_r2;
 OPTIMIZE TABLE execute_on_single_replica_r1 FINAL SETTINGS replication_alter_partitions_sync=0;
 
 /* if we will check immediately we can find the log entry unchecked */
-SET function_sleep_max_microseconds_per_block = 4000000;
+SET function_sleep_max_microseconds_per_block = 10000000;
 SELECT * FROM numbers(4) where sleepEachRow(1);
 
 SELECT '****************************';
diff --git a/tests/queries/0_stateless/02473_optimize_old_parts.sh b/tests/queries/0_stateless/02473_optimize_old_parts.sh
index 0c2dd04d024..b563bc31b39 100755
--- a/tests/queries/0_stateless/02473_optimize_old_parts.sh
+++ b/tests/queries/0_stateless/02473_optimize_old_parts.sh
@@ -61,7 +61,7 @@ INSERT INTO test_with_merge SELECT 3;"
 wait_for_number_of_parts 'test_with_merge' 1 100
 
 $CLICKHOUSE_CLIENT -nmq "
-SELECT sleepEachRow(1) FROM numbers(9) FORMAT Null; -- Sleep for 9 seconds and verify that we keep the old part because it's the only one
+SELECT sleepEachRow(1) FROM numbers(9) SETTINGS function_sleep_max_microseconds_per_block = 10000000 FORMAT Null; -- Sleep for 9 seconds and verify that we keep the old part because it's the only one
 SELECT (now() - modification_time) > 5 FROM system.parts WHERE database = currentDatabase() AND table='test_with_merge' AND active;
 
 DROP TABLE test_with_merge;"
diff --git a/tests/queries/0_stateless/02530_dictionaries_update_field.sh b/tests/queries/0_stateless/02530_dictionaries_update_field.sh
index 569466fe606..44000e5d2cd 100755
--- a/tests/queries/0_stateless/02530_dictionaries_update_field.sh
+++ b/tests/queries/0_stateless/02530_dictionaries_update_field.sh
@@ -53,13 +53,13 @@ for layout in "${layouts[@]}"; do
             SELECT key, value FROM $dictionary_name ORDER BY key ASC;
 
             INSERT INTO table_for_update_field_dictionary VALUES (2, 'Second', now());
-            SELECT sleepEachRow(1) FROM numbers(10) FORMAT Null;
+            SELECT sleepEachRow(1) FROM numbers(10) SETTINGS function_sleep_max_microseconds_per_block = 10000000 FORMAT Null;
 
             SELECT key, value FROM $dictionary_name ORDER BY key ASC;
 
             INSERT INTO table_for_update_field_dictionary VALUES (2, 'SecondUpdated', now());
             INSERT INTO table_for_update_field_dictionary VALUES (3, 'Third', now());
-            SELECT sleepEachRow(1) FROM numbers(10) FORMAT Null;
+            SELECT sleepEachRow(1) FROM numbers(10) SETTINGS function_sleep_max_microseconds_per_block = 10000000 FORMAT Null;
 
             SELECT key, value FROM $dictionary_name ORDER BY key ASC;
             -- { echoOff }