refactor(DocSignedNotificationTests): DocSignedNotificationTests aktualisieren, um SendSignedMailHandler zu verwenden

- SendSignedMailHandler in Testdiensten registrieren
- Test1 umbenennen → SendSignedMailHandler_ShouldNotThrow
- Sicherstellen, dass die Handler-Ausführung keinen Fehler auslöst

EnvelopeGenerator.Tests.Application/DocSignedNotificationTests.cs

@@ -2,6 +2,7 @@
 using DigitalData.Core.Abstraction.Application.Repository;
 using EnvelopeGenerator.Application.Common.Dto.EnvelopeReceiver;
 using EnvelopeGenerator.Application.Common.Notifications.DocSigned;
+using EnvelopeGenerator.Application.Common.Notifications.DocSigned.Handlers;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace EnvelopeGenerator.Tests.Application;
@@ -12,6 +13,7 @@ public class DocSignedNotificationTests : TestBase
 
     protected override void ConfigureServices(IServiceCollection services)
     {
+        services.AddTransient<SendSignedMailHandler>();
     }
 
     public override async Task Setup()
@@ -20,12 +22,11 @@ public class DocSignedNotificationTests : TestBase
         _mapper = Host.Services.GetRequiredService<IMapper>();
     }
 
-    [TestCase("h.tek@digitaldata.works")]
-    public async Task Test1(string emailAddress)
+    [TestCase("h.tek@digitaldata.works", TestName = "SendSignedMailHandler_ShouldNotThrow_WithValidEmail")]
+    public async Task SendSignedMailHandler_ShouldNotThrow(string emailAddress)
     {
-        CancellationToken cancel = new();
-
         /// Assert
+        CancellationToken cancel = new();
         var mediator = Mediator;
 
         // Create envelope
@@ -40,11 +41,11 @@ public class DocSignedNotificationTests : TestBase
         var envRcv = this.CreateEnvelopeReceiver(env!.Id, rcv.Id);
         envRcv = await Repository.CreateAsync(envRcv, cancel);
         var envRcvDto = _mapper.Map<EnvelopeReceiverDto>(envRcv);
-        envRcvDto.ToDocSignedNotification(new () { });
+        var docSignedNtf = envRcvDto.ToDocSignedNotification(new () { });
 
-        // Act
-        // create action part
+        var sendSignedMailHandler = Host.Services.GetRequiredService<SendSignedMailHandler>();
 
-        Assert.Pass();
+        // Act + Assert
+        Assert.DoesNotThrowAsync(async () => await sendSignedMailHandler.Handle(docSignedNtf, cancel));
     }
 }