Like expectError, and also require an exact message or an instance of the supplied class. When code is given, require the top-level error code to equal it. The original error is passed on as the next step's input.
code
Optional
Like expectError, and also require an exact message or an instance of the supplied class. When
codeis given, require the top-level error code to equal it. The original error is passed on as the next step's input.