Update McpServerOptionsSetupTests to reflect new behavior

Author: halter73

tests/ModelContextProtocol.Tests/Configuration/McpServerOptionsSetupTests.cs

@@ -108,29 +108,31 @@ public void Configure_WithUnsubscribeFromResourcesHandler_And_WithOtherResources
     }
 
     [Fact]
-    public void Configure_WithSubscribeToResourcesHandler_WithoutOtherResourcesHandler_DoesNotCreateResourcesCapability()
+    public void Configure_WithSubscribeToResourcesHandler_WithoutOtherResourcesHandler_DoesCreateResourcesCapability()
     {
         var services = new ServiceCollection();
         services.AddMcpServer()
             .WithSubscribeToResourcesHandler(async (request, ct) => new EmptyResult());
 
         var options = services.BuildServiceProvider().GetRequiredService<IOptions<McpServerOptions>>().Value;
 
-        Assert.Null(options.Handlers.SubscribeToResourcesHandler);
-        Assert.Null(options.Capabilities?.Resources);
+        Assert.NotNull(options.Handlers.SubscribeToResourcesHandler);
+        Assert.NotNull(options.Capabilities?.Resources);
+        Assert.True(options.Capabilities.Resources.Subscribe);
     }
 
     [Fact]
-    public void Configure_WithUnsubscribeFromResourcesHandler_WithoutOtherResourcesHandler_DoesNotCreateResourcesCapability()
+    public void Configure_WithUnsubscribeFromResourcesHandler_WithoutOtherResourcesHandler_DoesCreateResourcesCapability()
     {
         var services = new ServiceCollection();
         services.AddMcpServer()
             .WithUnsubscribeFromResourcesHandler(async (request, ct) => new EmptyResult());
 
         var options = services.BuildServiceProvider().GetRequiredService<IOptions<McpServerOptions>>().Value;
 
-        Assert.Null(options.Handlers.UnsubscribeFromResourcesHandler);
-        Assert.Null(options.Capabilities?.Resources);
+        Assert.NotNull(options.Handlers.UnsubscribeFromResourcesHandler);
+        Assert.NotNull(options.Capabilities?.Resources);
+        Assert.True(options.Capabilities.Resources.Subscribe);
     }
 
     [Fact]