fix: vnext schema refs

test/LEGO.AsyncAPI.Tests/Models/AsyncApiReference_Should.cs

@@ -312,7 +312,10 @@ public void AsyncApiReference_WithExternalResourcesInterface_DeserializesCorrect
             var message = doc.Channels["workspace"].Publish.Message.First();
             message.Name.Should().Be("Test");
             var payload = message.Payload.As<AsyncApiJsonSchemaPayload>();
-            payload.Properties.Count.Should().Be(3);
+            payload.Properties.Count.Should().Be(4);
+            payload.Properties["orderHistory"].Properties.Count.Should().Be(2);
+            payload.Properties["orderHistory"].Properties["historyStorageRecord"].Properties.First().Key.Should()
+                .Be("historyLog");
         }
 
         [Test]
@@ -426,6 +429,8 @@ public string Load(string reference)
                          userName:
                            description: User name.
                            type: string
+                     orderHistory:
+                       $ref: '#/components/schemas/OrderHistory'
                    required:
                    - orderId
                    example:
@@ -434,6 +439,24 @@ public string Load(string reference)
                      orderDetails:
                        userId: Admin
                        userName: Admin
+                   components:
+                     schemas:
+                       OrderHistory:
+                         type: object
+                         properties:
+                           historyId:
+                             description: ID for order history storage
+                             type: string
+                             format: uuid
+                           historyStorageRecord:
+                             $ref: '#/components/schemas/HistoryStorageRecord'
+                       HistoryStorageRecord:
+                         type: object
+                         properties:
+                           historyLog:
+                             type: array
+                             items:
+                               type: string
                    """;
         }
     }