Changes to Test API connectivity with a prompt.

the request's body type changed from object to no type

removed the request property api_format

removed the request property base_url

removed the request property creds

removed the request property extra_body

removed the request property extra_headers

removed the request property model

removed the request property prompt

added subschema #1 subschema #2 subschema #3 subschema #4 subschema #5 subschema #6 to the request body oneOf list

removed 'propertyNames' constraint from the error/param response property for the status 400

removed 'propertyNames' constraint from the error/param response property for the status 401

removed 'propertyNames' constraint from the error/param response property for the status 403

removed 'propertyNames' constraint from the error/param response property for the status 500

the error/param response's property type changed from object null to string null for status 400

the error/param response's property type changed from object null to string null for status 401

the error/param response's property type changed from object null to string null for status 403

the error/param response's property type changed from object null to string null for status 500

added the optional property error/params to the response with the 400 status

added the optional property error/params to the response with the 401 status

added the optional property error/params to the response with the 403 status

added the optional property error/params to the response with the 500 status

added the new gemini enum value to the request property api_format

added the new optional request property extra_body

added the new optional request property extra_headers

added the new anthropic_oauth enum value to the request property api_format

removed the enum value placeholder of the request property api_format

added the new anthropic enum value to the request property api_format

added the new optional request property api_format