Broken test(s) due to version checking

[ThanatosGit]

I don't really understand the changes done here: #232

It doesn't look like something is wrong on my side. The tests are broken. test_pkg is skipped for dread and sr because it doesn't return any files for dread_data.all_files_ending_with(".pkg") (or the sr equivalent). (Didn't looked at any other tests)

In the sr_resource_names.json some files have no version and some have a version: [] What is the reason for that?
https://github.com/randovania/mercury-engine-data-structures/blob/main/src/mercury_engine_data_structures/sr_resource_names.json

This part

mercury-engine-data-structures/src/mercury_engine_data_structures/samus_returns_data.py

Lines 33 to 38 in 786678f

	for a in data.values():
	vers = a.get("versions")
	if vers is not None:
	a["versions"] = sum([MSR_VERSIONS[v].bitmask for v in vers])
	else:
	a["versions"] = ALL_VERSIONS_BITMASK

is setting versions = -1 if there is no versions entry in the json but to versions = 0 if there is an empty array. As all .pkg have an empty array, they end up with versions = 0.

mercury-engine-data-structures/src/mercury_engine_data_structures/samus_returns_data.py

Line 46 in 786678f

return {k: v["crc"] for k, v in all_name_to_asset_id_and_version().items() if v["versions"] & bitmask != 0}

if v["versions"] & bitmask != 0 => 0 & -1 != 0 is false for all pkgs (or in general for all files with an empty versions array in the .json)