Moving AssertAppLogsWithIdleCheckAsync() to the UI test instead of re…

…lying on the consumer to do it

Lombiq.Hosting.Tenants.IdleTenantManagement.Tests.UI/Extensions/TestCaseUITestContextExtensions.cs

@@ -36,5 +36,8 @@ await context.GoToSetupPageAndSetupOrchardCoreAsync(
         // working as intended.
         await context.SignInDirectlyAsync();
         await context.GoToDashboardAsync();
+
+        // Make sure the shutdown message is in the logs.
+        await context.Application.AssertAppLogsWithIdleCheckAsync();
     }
 }