diff --git a/tests/routes/ssl_test.py b/tests/routes/ssl_test.py
index a958565ed..f2fabc3b1 100644
--- a/tests/routes/ssl_test.py
+++ b/tests/routes/ssl_test.py
@@ -108,7 +108,7 @@ def post_bp_files_data(bp, request, file_data, full_response=False, **kwargs):
 def test_upload(skale_bp, ssl_folder, db, cert_key_pair_host):
     cert_path, key_path = cert_key_pair_host
     with mock.patch('web.routes.ssl.set_schains_need_reload'), \
-            mock.patch('core.nginx.restart_nginx_container'):
+            mock.patch('web.routes.ssl.reload_nginx'):
         with files_data(cert_path, key_path, force=False) as data:
             response = post_bp_files_data(
                 skale_bp,
@@ -141,7 +141,7 @@ def test_upload_bad_cert(skale_bp, db, ssl_folder, bad_cert_host):
 def test_upload_cert_exist(skale_bp, db, cert_key_pair_host, cert_key_pair):
     cert_path, key_path = cert_key_pair_host
     with mock.patch('web.routes.ssl.set_schains_need_reload'), \
-            mock.patch('core.nginx.restart_nginx_container'):
+            mock.patch('web.routes.ssl.reload_nginx'):
         with files_data(cert_path, key_path, force=False) as data:
             response = post_bp_files_data(
                 skale_bp,
diff --git a/tests/schains/checks_test.py b/tests/schains/checks_test.py
index bdc341cbf..ec8f3e7e9 100644
--- a/tests/schains/checks_test.py
+++ b/tests/schains/checks_test.py
@@ -188,14 +188,15 @@ def test_blocks_check(schain_checks):
             assert not schain_checks.blocks.status
 
 
-def test_init_checks(skale, schain_db, uninited_rule_controller):
+def test_init_checks(skale, schain_db, uninited_rule_controller, dutils):
     schain_name = schain_db
     schain_record = SChainRecord.get_by_name(schain_name)
     checks = SChainChecks(
         schain_name,
         TEST_NODE_ID,
         schain_record=schain_record,
-        rule_controller=uninited_rule_controller
+        rule_controller=uninited_rule_controller,
+        dutils=dutils
     )
     assert checks.name == schain_name
     assert checks.node_id == TEST_NODE_ID
diff --git a/tests/schains/monitor/base_monitor_test.py b/tests/schains/monitor/base_monitor_test.py
index ee093f91d..9d7892f0d 100644
--- a/tests/schains/monitor/base_monitor_test.py
+++ b/tests/schains/monitor/base_monitor_test.py
@@ -128,7 +128,8 @@ def test_crashing_monitor(
         node_config=node_config,
         rotation_data={'rotation_id': 1, 'leaving_node': 1},
         checks=schain_checks,
-        rule_controller=rule_controller
+        rule_controller=rule_controller,
+        dutils=dutils
     )
     with pytest.raises(Exception):
         test_monitor.run()
diff --git a/tests/schains/monitor/main_test.py b/tests/schains/monitor/main_test.py
index 227dbdd98..0be7d80bb 100644
--- a/tests/schains/monitor/main_test.py
+++ b/tests/schains/monitor/main_test.py
@@ -33,13 +33,21 @@ def skaled_container(self) -> CheckRes:
 
 
 @pytest.fixture
-def checks(schain_db, _schain_name, rule_controller, node_config, ima_data):
+def checks(
+    schain_db,
+    _schain_name,
+    rule_controller,
+    node_config,
+    ima_data,
+    dutils
+):
     schain_record = upsert_schain_record(schain_db)
     return SChainChecksMock(
         _schain_name,
         node_config.id,
         schain_record,
-        rule_controller=rule_controller
+        rule_controller=rule_controller,
+        dutils=dutils
     )
 
 
diff --git a/tests/schains/runner_test.py b/tests/schains/runner_test.py
index d927abf62..f72e5161d 100644
--- a/tests/schains/runner_test.py
+++ b/tests/schains/runner_test.py
@@ -26,7 +26,7 @@ def test_set_rotation(schain_config):
         assert data['params'] == params
 
 
-def test_is_exited():
+def test_is_exited(dutils):
     schain_name = 'schain_test'
     info_mock = {
         'status': 'exited',
@@ -36,9 +36,12 @@ def test_is_exited():
             }
         }
     }
-    with mock.patch('core.schains.runner.DockerUtils.get_info',
-                    new=mock.Mock(return_value=info_mock)):
-        assert is_exited(schain_name)
+    get_info = dutils.get_info
+    try:
+        dutils.get_info = mock.Mock(return_value=info_mock)
+        assert is_exited(schain_name, dutils=dutils)
+    finally:
+        dutils.get_info = get_info
 
 
 def test_get_leaving_schains_for_node(skale, node_config):  # TODO: improve test