chore: add comment

MaggieKimani1 · MaggieKimani1 · commit ad859ea0230a · 2025-05-19T11:38:32.000+03:00
diff --git a/test/Microsoft.OpenApi.Readers.Tests/V3Tests/OpenApiDocumentTests.cs b/test/Microsoft.OpenApi.Readers.Tests/V3Tests/OpenApiDocumentTests.cs
@@ -1270,7 +1270,7 @@ public async Task SerializesDoubleHopeReferences()
                 Description = "A reference to a pet"
             };
             document.AddComponent("PetReference", petSchemaReference);
-            document.AddComponent("Pet", petSchema);
+            document.AddComponent("Pet", petSchema); // does not add duplicate keys
             document.Paths.Add("/pets", new OpenApiPathItem
             {
                 Operations = new()

Original file line number	Diff line number	Diff line change
`@@ -1270,7 +1270,7 @@ public async Task SerializesDoubleHopeReferences()`
`1270`	`1270`	`Description = "A reference to a pet"`
`1271`	`1271`	`};`
`1272`	`1272`	`document.AddComponent("PetReference", petSchemaReference);`
`1273`		`- document.AddComponent("Pet", petSchema);`
	`1273`	`+ document.AddComponent("Pet", petSchema); // does not add duplicate keys`
`1274`	`1274`	`document.Paths.Add("/pets", new OpenApiPathItem`
`1275`	`1275`	`{`
`1276`	`1276`	`Operations = new()`