Preserve order of securitySchemes (#14536)

* Remove alphabetical sort

* Update integration testing expectations

* Regenerate files

samples/openapi3/client/petstore/python/README.md

@@ -357,6 +357,16 @@ Class | Method | HTTP request | Description
 ## Documentation For Authorization
 
 
+## petstore_auth
+
+- **Type**: OAuth
+- **Flow**: implicit
+- **Authorization URL**: http://petstore.swagger.io/api/oauth/dialog
+- **Scopes**: 
+ - **write:pets**: modify pets in your account
+ - **read:pets**: read your pets
+
+
 ## api_key
 
 - **Type**: API key
@@ -371,30 +381,20 @@ Class | Method | HTTP request | Description
 - **Location**: URL query string
 
 
-## bearer_test
-
-- **Type**: Bearer authentication (JWT)
-
-
 ## http_basic_test
 
 - **Type**: HTTP basic authentication
 
 
+## bearer_test
+
+- **Type**: Bearer authentication (JWT)
+
+ Authentication schemes defined for the API:
 ## http_signature_test
 
 - **Type**: HTTP signature authentication
 
- Authentication schemes defined for the API:
-## petstore_auth
-
-- **Type**: OAuth
-- **Flow**: implicit
-- **Authorization URL**: http://petstore.swagger.io/api/oauth/dialog
-- **Scopes**: 
- - **write:pets**: modify pets in your account
- - **read:pets**: read your pets
-
 
 ## Author