diff --git a/tests/integration/test_dictionaries_postgresql/test.py b/tests/integration/test_dictionaries_postgresql/test.py
index 5ceb6496b901afcf9b25dcce9ed7bb0ad4d1b076..10d9f4213e1643ef2d5a6698eb8446ff49c06723 100644
--- a/tests/integration/test_dictionaries_postgresql/test.py
+++ b/tests/integration/test_dictionaries_postgresql/test.py
@@ -80,7 +80,7 @@ def test_load_dictionaries(started_cluster):
     create_dict(table_name)
     dict_name = 'dict0'
 
-    node1.query("SYSTEM RELOAD DICTIONARIES")
+    node1.query("SYSTEM RELOAD DICTIONARY {}".format(dict_name))
     assert node1.query("SELECT count() FROM `test`.`dict_table_{}`".format(table_name)).rstrip() == '10000'
     assert node1.query("SELECT dictGetUInt32('{}', 'id', toUInt64(0))".format(dict_name)) == '0\n'
     assert node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(9999))".format(dict_name)) == '9999\n'
diff --git a/tests/integration/test_distributed_inter_server_secret/test.py b/tests/integration/test_distributed_inter_server_secret/test.py
index b1daf2271d05459182a5e5c44c9ca4dabc43b21f..1a0e5a3dd915875d908ba91e7ba57ac6fd43dd07 100644
--- a/tests/integration/test_distributed_inter_server_secret/test.py
+++ b/tests/integration/test_distributed_inter_server_secret/test.py
@@ -97,12 +97,14 @@ def test_insecure():
     n1.query('SELECT * FROM dist_insecure')
 
 def test_insecure_insert_async():
+    n1.query("TRUNCATE TABLE data")
     n1.query('INSERT INTO dist_insecure SELECT * FROM numbers(2)')
     n1.query('SYSTEM FLUSH DISTRIBUTED ON CLUSTER insecure dist_insecure')
     assert int(n1.query('SELECT count() FROM dist_insecure')) == 2
     n1.query('TRUNCATE TABLE data ON CLUSTER insecure')
 
 def test_insecure_insert_sync():
+    n1.query("TRUNCATE TABLE data")
     n1.query('INSERT INTO dist_insecure SELECT * FROM numbers(2)', settings={'insert_distributed_sync': 1})
     assert int(n1.query('SELECT count() FROM dist_insecure')) == 2
     n1.query('TRUNCATE TABLE data ON CLUSTER secure')
@@ -111,12 +113,14 @@ def test_secure():
     n1.query('SELECT * FROM dist_secure')
 
 def test_secure_insert_async():
+    n1.query("TRUNCATE TABLE data")
     n1.query('INSERT INTO dist_secure SELECT * FROM numbers(2)')
     n1.query('SYSTEM FLUSH DISTRIBUTED ON CLUSTER secure dist_secure')
     assert int(n1.query('SELECT count() FROM dist_secure')) == 2
     n1.query('TRUNCATE TABLE data ON CLUSTER secure')
 
 def test_secure_insert_sync():
+    n1.query("TRUNCATE TABLE data")
     n1.query('INSERT INTO dist_secure SELECT * FROM numbers(2)', settings={'insert_distributed_sync': 1})
     assert int(n1.query('SELECT count() FROM dist_secure')) == 2
     n1.query('TRUNCATE TABLE data ON CLUSTER secure')
@@ -126,6 +130,7 @@ def test_secure_insert_sync():
 # Buffer() flush happens with global context, that does not have user
 # And so Context::user/ClientInfo::current_user/ClientInfo::initial_user will be empty
 def test_secure_insert_buffer_async():
+    n1.query("TRUNCATE TABLE data")
     n1.query('INSERT INTO dist_secure_buffer SELECT * FROM numbers(2)')
     n1.query('SYSTEM FLUSH DISTRIBUTED ON CLUSTER secure dist_secure')
     # no Buffer flush happened
@@ -141,6 +146,7 @@ def test_secure_disagree():
         n1.query('SELECT * FROM dist_secure_disagree')
 
 def test_secure_disagree_insert():
+    n1.query("TRUNCATE TABLE data")
     n1.query('INSERT INTO dist_secure_disagree SELECT * FROM numbers(2)')
     with pytest.raises(QueryRuntimeException, match='.*Hash mismatch.*'):
         n1.query('SYSTEM FLUSH DISTRIBUTED ON CLUSTER secure_disagree dist_secure_disagree')