Upgraded to .NET 10 (#1147)

app/Tests/Tools/ToolCalling/SemanticSearchToolRequestTests.cs

@@ -27,12 +27,12 @@ public sealed class SemanticSearchToolRequestTests
     {
         var request = SemanticSearchTool.ReadRequest(Arguments("""{"query":"  travel expenses  "}"""), OFFERED);
 
-        Assert.Multiple(() =>
+        using (Assert.EnterMultipleScope())
         {
             Assert.That(request.Query, Is.EqualTo("travel expenses"));
             Assert.That(request.DataSources, Is.EqualTo(OFFERED));
             Assert.That(request.Page, Is.EqualTo(1));
-        });
+        }
     }
 
     [Test]
@@ -47,11 +47,11 @@ public sealed class SemanticSearchToolRequestTests
     {
         var message = Refusal(() => SemanticSearchTool.ReadRequest(Arguments("""{"query":"travel expenses","data_source_ids":["44444444-4444-4444-4444-444444444444"]}"""), OFFERED));
 
-        Assert.Multiple(() =>
+        using (Assert.EnterMultipleScope())
         {
             Assert.That(message, Does.Contain(HANDBOOK.Id).And.Contain(INTRANET.Id), "A data source which dropped out since the request was prepared is refused the same way, so the model learns which ones are left.");
             Assert.That(message, Does.Contain("Leave it out to search all listed data sources."));
-        });
+        }
     }
 
     [Test]
@@ -73,11 +73,11 @@ public sealed class SemanticSearchToolRequestTests
     {
         var message = Refusal(() => SemanticSearchTool.ReadRequest(Arguments("""{"query":"travel expenses","page":2}"""), OFFERED));
 
-        Assert.Multiple(() =>
+        using (Assert.EnterMultipleScope())
         {
             Assert.That(message, Does.Contain("'page'").And.Contain("exactly one data source").And.Contain("but was 2 for 2"));
             Assert.That(message, Does.Contain("leave 'page' out"), "The way out when the model wanted the first page of each.");
-        });
+        }
     }
 
     [Test]
@@ -86,12 +86,12 @@ public sealed class SemanticSearchToolRequestTests
         var named = SemanticSearchTool.ReadRequest(Arguments($$"""{"query":"travel expenses","data_source_ids":["{{HANDBOOK.Id}}"],"page":2}"""), OFFERED);
         var onlyOneOffered = SemanticSearchTool.ReadRequest(Arguments("""{"query":"travel expenses","page":2}"""), [HANDBOOK]);
 
-        Assert.Multiple(() =>
+        using (Assert.EnterMultipleScope())
         {
             Assert.That(named.DataSources, Is.EqualTo(new[] { HANDBOOK }));
             Assert.That(named.Page, Is.EqualTo(2));
             Assert.That(onlyOneOffered.Page, Is.EqualTo(2), "With a single data source offered, leaving it unnamed still means that one.");
-        });
+        }
     }
 
     [Test]
@@ -115,5 +115,5 @@ public sealed class SemanticSearchToolRequestTests
     /// <summary>
     /// Reads a search which has to be refused and returns what the refusal said.
     /// </summary>
-    private static string Refusal(TestDelegate read) => Assert.Throws<ArgumentException>(read)!.Message;
+    private static string Refusal(Action read) => Assert.Throws<ArgumentException>(read)!.Message;
 }