make the initialize() filter plugin function return a value that encodes whether/how it succeeded/failed
tests for that
To test:
You should be able to manually mimic what the newly added tests are doing as far as returning an error from a filter plugin if it isn't given an argument that it expects that gets printed "cleanly"
In this PR:
initialize()filter plugin function return a value that encodes whether/how it succeeded/failedTo test: You should be able to manually mimic what the newly added tests are doing as far as returning an error from a filter plugin if it isn't given an argument that it expects that gets printed "cleanly"
Based on
test-filter-plugin