fix servicebus tests (#25742)

* fix servicebus tests

* re-record tests

* comment disaster recovery test

* ignore tests in live mode

* delete one line

Author: Yao725

sdk/servicebus/Azure.ResourceManager.ServiceBus/tests/Helpers/ServiceBusTestBase.cs

@@ -78,5 +78,13 @@ public static void VerifyNamespaceProperties(ServiceBusNamespace sBNamespace, bo
                 Assert.AreEqual(SkuTier.Standard, sBNamespace.Data.Sku.Tier);
             }
         }
+
+        public void IgnoreTestInLiveMode()
+        {
+            if (Mode == RecordedTestMode.Live)
+            {
+                Assert.Ignore();
+            }
+        }
     }
 }