diff --git a/application/src/test/java/org/thingsboard/server/service/notification/NotificationApiTest.java b/application/src/test/java/org/thingsboard/server/service/notification/NotificationApiTest.java
index 2f5f1572b6..43a6832037 100644
--- a/application/src/test/java/org/thingsboard/server/service/notification/NotificationApiTest.java
+++ b/application/src/test/java/org/thingsboard/server/service/notification/NotificationApiTest.java
@@ -24,8 +24,8 @@ import org.junit.Before;
 import org.junit.Test;
 import org.mockito.ArgumentCaptor;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.http.HttpEntity;
+import org.springframework.test.context.bean.override.mockito.MockitoBean;
 import org.springframework.test.web.servlet.ResultActions;
 import org.springframework.web.client.RestTemplate;
 import org.thingsboard.common.util.JacksonUtil;
@@ -125,7 +125,7 @@ public class NotificationApiTest extends AbstractNotificationApiTest {
     private NotificationCenter notificationCenter;
     @Autowired
     private MicrosoftTeamsNotificationChannel microsoftTeamsNotificationChannel;
-    @MockBean
+    @MockitoBean
     private FirebaseService firebaseService;
 
     private static final String TEST_MOBILE_TOKEN = "tenantFcmToken";
diff --git a/application/src/test/java/org/thingsboard/server/service/notification/NotificationRuleApiTest.java b/application/src/test/java/org/thingsboard/server/service/notification/NotificationRuleApiTest.java
index ff49a68d66..3f7adec118 100644
--- a/application/src/test/java/org/thingsboard/server/service/notification/NotificationRuleApiTest.java
+++ b/application/src/test/java/org/thingsboard/server/service/notification/NotificationRuleApiTest.java
@@ -21,11 +21,13 @@ import com.fasterxml.jackson.databind.node.ObjectNode;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.function.ThrowingRunnable;
+import org.mockito.MockedStatic;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.util.Pair;
 import org.springframework.test.context.TestPropertySource;
 import org.springframework.test.context.bean.override.mockito.MockitoSpyBean;
 import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.common.util.SystemUtil;
 import org.thingsboard.server.cache.limits.RateLimitService;
 import org.thingsboard.server.common.data.AttributeScope;
 import org.thingsboard.server.common.data.Device;
@@ -108,6 +110,7 @@ import java.lang.reflect.Method;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.Set;
 import java.util.UUID;
 import java.util.concurrent.Callable;
@@ -120,6 +123,7 @@ import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.offset;
 import static org.assertj.core.api.InstanceOfAssertFactories.type;
 import static org.awaitility.Awaitility.await;
+import static org.mockito.Mockito.mockStatic;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 import static org.thingsboard.server.common.data.notification.rule.trigger.config.AlarmAssignmentNotificationRuleTriggerConfig.Action.ASSIGNED;
 import static org.thingsboard.server.common.data.notification.rule.trigger.config.AlarmAssignmentNotificationRuleTriggerConfig.Action.UNASSIGNED;
@@ -796,9 +800,14 @@ public class NotificationRuleApiTest extends AbstractNotificationApiTest {
         createNotificationRule(triggerConfig, "Warning: ${resource} shortage", "${resource} shortage", createNotificationTarget(tenantAdminUserId).getId());
         loginTenantAdmin();
 
-        Method method = DefaultSystemInfoService.class.getDeclaredMethod("saveCurrentMonolithSystemInfo");
-        method.setAccessible(true);
-        method.invoke(systemInfoService);
+        // Mock SystemUtil to return 15% memory usage (exceeds 1% threshold)
+        try (MockedStatic<SystemUtil> mockedSystemUtil = mockStatic(SystemUtil.class)) {
+            mockedSystemUtil.when(SystemUtil::getMemoryUsage).thenReturn(Optional.of(15));
+
+            Method method = DefaultSystemInfoService.class.getDeclaredMethod("saveCurrentMonolithSystemInfo");
+            method.setAccessible(true);
+            method.invoke(systemInfoService);
+        }
 
         await().atMost(10, TimeUnit.SECONDS).until(() -> getMyNotifications(false, 100).size() == 1);
         Notification notification = getMyNotifications(false, 100).get(0);
@@ -853,9 +862,17 @@ public class NotificationRuleApiTest extends AbstractNotificationApiTest {
         NotificationRule rule = createNotificationRule(triggerConfig, "Warning: ${resource} shortage", "${resource} shortage", createNotificationTarget(tenantAdminUserId).getId());
         loginTenantAdmin();
 
-        Method method = DefaultSystemInfoService.class.getDeclaredMethod("saveCurrentMonolithSystemInfo");
-        method.setAccessible(true);
-        method.invoke(systemInfoService);
+        // Mock SystemUtil to return 15% usages (not exceeds 100% threshold)
+        Method method;
+        try (MockedStatic<SystemUtil> mockedSystemUtil = mockStatic(SystemUtil.class)) {
+            mockedSystemUtil.when(SystemUtil::getMemoryUsage).thenReturn(Optional.of(15));
+            mockedSystemUtil.when(SystemUtil::getCpuUsage).thenReturn(Optional.of(15));
+            mockedSystemUtil.when(SystemUtil::getDiscSpaceUsage).thenReturn(Optional.of(15L));
+
+            method = DefaultSystemInfoService.class.getDeclaredMethod("saveCurrentMonolithSystemInfo");
+            method.setAccessible(true);
+            method.invoke(systemInfoService);
+        }
 
         TimeUnit.SECONDS.sleep(5);
         assertThat(getMyNotifications(false, 100)).size().isZero();