The directory structure is
In this case_test/
├── data.lua
├── info.json
└── test.png
andicon = "__test__/test.png"
error:Path __test__/test.png does not match anyenabled mod.
But without the path, the mod performs the other functions normally, no errors.icon = "___test__/test.png"
error:Path ___test__/test.png not matching the resource path pattern:__source__/path