Changes to Test a subscription function

the response property allOf[subschema #2]/data became nullable for the status 400

the response property allOf[subschema #2]/data became nullable for the status 401

the response property allOf[subschema #2]/data became nullable for the status 404

the allOf[subschema #2]/data response's property type changed from object to no type for status 400

the allOf[subschema #2]/data response's property type changed from object to no type for status 401

the allOf[subschema #2]/data response's property type changed from object to no type for status 404

the request property payload became nullable

added handlers.Stub to the allOf[subschema #2]/data response property allOf list for the response status 400

added handlers.Stub to the allOf[subschema #2]/data response property allOf list for the response status 401

added handlers.Stub to the allOf[subschema #2]/data response property allOf list for the response status 404

added the new optional request property type

removed the optional property allOf[#/components/schemas/util.ServerResponse]/data from the response with the 200 status

removed the optional property allOf[#/components/schemas/util.ServerResponse]/data from the response with the 400 status

removed the optional property allOf[#/components/schemas/util.ServerResponse]/data from the response with the 401 status

removed the optional property allOf[#/components/schemas/util.ServerResponse]/data from the response with the 404 status

api operation id TestSubscriptionFunction was added

endpoint added