fix errors of Degraded Operations Visibility

VigilCareClinicalAPI.Tests/Helpers/RabbitMqTestHelper.cs

@@ -0,0 +1,38 @@
+using Microsoft.Extensions.Options;
+using RabbitMQ.Client;
+using RabbitMQ.Client.Exceptions;
+
+public static class RabbitMqTestHelper
+{
+    public static void PurgeNotificationQueues(IOptions<RabbitMqOptions> opts)
+    {
+        var o = opts.Value;
+        var factory = new ConnectionFactory
+        {
+            HostName = o.Host,
+            Port = o.Port,
+            UserName = o.Username,
+            Password = o.Password,
+        };
+
+        using var connection = factory.CreateConnection("test-queue-purge");
+        using var channel = connection.CreateModel();
+
+        foreach (var queue in new[]
+        {
+            "alerts.paging.queue",
+            "alerts.paging.dlq",
+            "alerts.escalation.queue",
+        })
+        {
+            try
+            {
+                channel.QueuePurge(queue);
+            }
+            catch (OperationInterruptedException)
+            {
+                // Queue may not exist yet on a cold broker.
+            }
+        }
+    }
+}