diff --git a/pytest_tests/testsuites/network/test_node_management.py b/pytest_tests/testsuites/network/test_node_management.py
index c1e9de8..139256d 100644
--- a/pytest_tests/testsuites/network/test_node_management.py
+++ b/pytest_tests/testsuites/network/test_node_management.py
@@ -5,7 +5,7 @@ from time import sleep
 import allure
 import pytest
 from data_formatters import get_wallet_public_key
-from common import (COMPLEX_OBJ_SIZE, MAINNET_BLOCK_TIME, NEOFS_CONTRACT_CACHE_TIMEOUT,
+from common import (COMPLEX_OBJ_SIZE, MAINNET_BLOCK_TIME, MORPH_BLOCK_TIME, NEOFS_CONTRACT_CACHE_TIMEOUT,
                     NEOFS_NETMAP_DICT, STORAGE_RPC_ENDPOINT_1, STORAGE_WALLET_PASS)
 from epoch import tick_epoch
 from grpc_responses import OBJECT_NOT_FOUND, error_matches_status
@@ -81,13 +81,13 @@ def return_nodes(alive_node: str = None):
 
         # We need to wait for node to establish notifications from morph-chain
         # Otherwise it will hang up when we will try to set status
-        sleep(robot_time_to_int(MAINNET_BLOCK_TIME))
+        sleep(robot_time_to_int(MORPH_BLOCK_TIME))
 
         with allure.step(f'Move node {node} to online state'):
             node_set_status(node, status='online', retries=2)
 
         check_nodes.remove(node)
-        sleep(robot_time_to_int(MAINNET_BLOCK_TIME))
+        sleep(robot_time_to_int(MORPH_BLOCK_TIME))
         for __attempt in range(3):
             try:
                 tick_epoch()
@@ -170,7 +170,7 @@ def test_nodes_management(prepare_tmp_dir):
     with allure.step(f'Move node {random_node} to offline state'):
         node_set_status(random_node, status='offline')
 
-    sleep(robot_time_to_int(MAINNET_BLOCK_TIME))
+    sleep(robot_time_to_int(MORPH_BLOCK_TIME))
     tick_epoch()
 
     with allure.step(f'Check node {random_node} went to offline'):
@@ -182,7 +182,7 @@ def test_nodes_management(prepare_tmp_dir):
     with allure.step(f'Check node {random_node} went to online'):
         node_set_status(random_node, status='online')
 
-    sleep(robot_time_to_int(MAINNET_BLOCK_TIME))
+    sleep(robot_time_to_int(MORPH_BLOCK_TIME))
     tick_epoch()
 
     with allure.step(f'Check node {random_node} went to online'):
diff --git a/robot/resources/lib/python_keywords/node_management.py b/robot/resources/lib/python_keywords/node_management.py
index 1232277..24b0a53 100644
--- a/robot/resources/lib/python_keywords/node_management.py
+++ b/robot/resources/lib/python_keywords/node_management.py
@@ -10,7 +10,7 @@ import time
 from dataclasses import dataclass
 from typing import Optional
 
-from common import MAINNET_BLOCK_TIME, NEOFS_NETMAP_DICT, STORAGE_WALLET_PASS
+from common import MAINNET_BLOCK_TIME, MORPH_BLOCK_TIME, NEOFS_NETMAP_DICT, STORAGE_WALLET_PASS
 from data_formatters import get_wallet_public_key
 from epoch import tick_epoch
 from robot.api import logger
@@ -193,7 +193,7 @@ def delete_node_data(node_name: str) -> None:
     helper = get_storage_service_helper()
     helper.stop_node(node_name)
     helper.delete_node_data(node_name)
-    time.sleep(robot_time_to_int(MAINNET_BLOCK_TIME))
+    time.sleep(robot_time_to_int(MORPH_BLOCK_TIME))
 
 
 @keyword('Exclude node {node_to_include} from network map')
@@ -207,7 +207,7 @@ def exclude_node_from_network_map(node_to_exclude, alive_node):
 
     node_set_status(node_to_exclude, status='offline')
 
-    time.sleep(robot_time_to_int(MAINNET_BLOCK_TIME))
+    time.sleep(robot_time_to_int(MORPH_BLOCK_TIME))
     tick_epoch()
 
     snapshot = get_netmap_snapshot(node_name=alive_node)
@@ -218,7 +218,7 @@ def exclude_node_from_network_map(node_to_exclude, alive_node):
 def include_node_to_network_map(node_to_include: str, alive_node: str) -> None:
     node_set_status(node_to_include, status='online')
 
-    time.sleep(robot_time_to_int(MAINNET_BLOCK_TIME))
+    time.sleep(robot_time_to_int(MORPH_BLOCK_TIME))
     tick_epoch()
 
     check_node_in_map(node_to_include, alive_node)