- settings.c tests conf file loading & parsing, metadata updates,
wpsetttings object creation and its API.
- settings.lua tests the API from lua scripts.
- Add a sample settings.conf file, this file contains sections copied
over from client.conf along with the settings section. Add a file
each for wp side and lua side of scripts.
- Make changes in base test infrastructure to take a custom conf file.
- Enhance the wp_settings_get_instance_api() to be take metadata_name
parameter. So, Wpsetttings is now a singleton instance for a given
metadata file.
- Enhance the m-settings module also to be take metadata_name parameter.
this is handy for lua side of tests as its cumbersome to do this is
lua.
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