Make tests more stable

application/src/test/java/org/thingsboard/server/service/notification/NotificationRuleApiTest.java

@@ -791,10 +791,9 @@ public class NotificationRuleApiTest extends AbstractNotificationApiTest {
     public void testNotificationRuleProcessing_resourcesShortage() throws Exception {
         loginSysAdmin();
         ResourcesShortageNotificationRuleTriggerConfig triggerConfig = ResourcesShortageNotificationRuleTriggerConfig.builder()
-                .resource(Resource.CPU.name())
                 .cpuThreshold(0.01f)
-                .ramThreshold(0.01f)
-                .storageThreshold(0.01f)
+                .ramThreshold(1f)
+                .storageThreshold(1f)
                 .build();
         createNotificationRule(triggerConfig, "Test", "Test", createNotificationTarget(tenantAdminUserId).getId());
         loginTenantAdmin();
@@ -805,15 +804,16 @@ public class NotificationRuleApiTest extends AbstractNotificationApiTest {
 
         TimeUnit.SECONDS.sleep(5);
 
-        assertThat(getMyNotifications(false, 100)).size().isEqualTo(3);
+        assertThat(getMyNotifications(false, 100)).size().isOne();
     }
 
     @Test
     public void testNotificationsDeduplication_resourcesShortage() throws Exception {
         loginSysAdmin();
         ResourcesShortageNotificationRuleTriggerConfig triggerConfig = ResourcesShortageNotificationRuleTriggerConfig.builder()
-                .resource(Resource.CPU.name())
                 .cpuThreshold(0.1f)
+                .ramThreshold(1f)
+                .storageThreshold(1f)
                 .build();
         createNotificationRule(triggerConfig, "Test", "Test", createNotificationTarget(tenantAdminUserId).getId());
         loginTenantAdmin();

common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/trigger/config/ResourcesShortageNotificationRuleTriggerConfig.java

@@ -32,7 +32,6 @@ public class ResourcesShortageNotificationRuleTriggerConfig implements Notificat
     @Serial
     private static final long serialVersionUID = 339395299693241424L;
 
-    private String resource;
     @Max(1)
     private float cpuThreshold; // in percents
     @Max(1)

dao/src/main/java/org/thingsboard/server/dao/notification/DefaultNotifications.java

@@ -382,7 +382,7 @@ public class DefaultNotifications {
             .icon("warning")
             .rule(DefaultRule.builder()
                     .name("Resources shortage")
-                    .triggerConfig(ResourcesShortageNotificationRuleTriggerConfig.builder().resource(Resource.CPU.name()).cpuThreshold(0.8f).storageThreshold(0.8f).ramThreshold(0.8f).build())
+                    .triggerConfig(ResourcesShortageNotificationRuleTriggerConfig.builder().cpuThreshold(0.8f).storageThreshold(0.8f).ramThreshold(0.8f).build())
                     .description("Send notification to system admins when resources shortage is running low")
                     .build())
             .color(RED_COLOR)