Upgraded to .NET 10 (#1147)

app/Tests/Tools/Validation/CloudProcessingTests.cs

@@ -30,11 +30,11 @@ public sealed class CloudProcessingTests
     {
         var validation = new DataSourceValidation { GetSelectedCloudTranscription = () => true };
 
-        Assert.Multiple(() =>
+        using (Assert.EnterMultipleScope())
         {
             Assert.That(validation.ValidateUserAcknowledgedCloudEmbedding(false), Is.Not.Null);
             Assert.That(validation.ValidateUserAcknowledgedCloudEmbedding(true), Is.Null);
-        });
+        }
     }
 
     [Test]

app/Tests/Tools/Validation/DependentFieldValidationTests.cs

@@ -59,11 +59,11 @@ public sealed class DependentFieldValidationTests
         var untouchedField = new FakeFormComponent();
 
         await DependentFieldValidation.RevalidateAsync(null, touchedField, untouchedField, null);
-        Assert.Multiple(() =>
+        using (Assert.EnterMultipleScope())
         {
             Assert.That(touchedField.ValidationCount, Is.EqualTo(1), "The touched field is not checked again.");
             Assert.That(untouchedField.ValidationCount, Is.Zero, "The untouched field is checked.");
-        });
+        }
     }
 
     private sealed class FakeFormComponent : IFormComponent

app/Tests/Tools/Validation/MailboxValidationTests.cs

@@ -27,11 +27,11 @@ public sealed class MailboxValidationTests
     [Test]
     public void AnUnknownEncryptionIsRejectedAndNeverOffered()
     {
-        Assert.Multiple(() =>
+        using (Assert.EnterMultipleScope())
         {
             Assert.That(DataSourceValidation.ValidateMailboxTransportSecurity(MailboxTransportSecurity.UNKNOWN), Is.Not.Null);
             Assert.That(ConfigurationSelectDataFactory.GetMailboxTransportSecurityData().Select(option => option.Value), Is.EqualTo(new[] { MailboxTransportSecurity.SSL_ON_CONNECT, MailboxTransportSecurity.STARTTLS }));
-        });
+        }
     }
 
     [TestCase(MailboxTransportSecurity.SSL_ON_CONNECT, ExpectedResult = 993)]
@@ -51,11 +51,11 @@ public sealed class MailboxValidationTests
         const string STORAGE_ISSUE = "The keyring is locked.";
         var validationWithIssue = new DataSourceValidation { GetSecretStorageIssue = () => STORAGE_ISSUE };
 
-        Assert.Multiple(() =>
+        using (Assert.EnterMultipleScope())
         {
             Assert.That(VALIDATION.ValidateMailboxPassword(string.Empty), Is.Not.Null, "An empty password was accepted.");
             Assert.That(VALIDATION.ValidateMailboxPassword(" secret with spaces "), Is.Null, "A password was trimmed or rejected for its spaces.");
             Assert.That(validationWithIssue.ValidateMailboxPassword("secret"), Is.EqualTo(STORAGE_ISSUE), "The issue of the keyring was not shown.");
-        });
+        }
     }
 }