Error generator to enable integration testing of salt wheel error handling
If name is None Then return empty dict
Otherwise raise an exception with __name__ from name, message from message
CLI Example:
salt-wheel error salt-wheel error.error name="Exception" message="This is an error."
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Licensed under the Apache License, Version 2.0.
https://docs.saltstack.com/en/latest/ref/wheel/all/salt.wheel.error.html