feat: add more RNTuple files

[ariostas]

I added three more RNTuple files that have been useful to test and debug uproot. These files were created and used by @Moelf for UnROOT testing, and can be found here.

[Moelf]

it may be a good idea to copy the source code to https://github.com/scikit-hep/scikit-hep-testdata/tree/main/dev/make-root and generate yourself to make sure!

[ariostas]

Thanks @Moelf! For Run2012BC_DoubleMuParked_Muons_rntuple_1000evts.root I couldn't find the original Run2012BC_DoubleMuParked_Muons.root file in the UnROOT repo. For test_ntuple_extension_columns.root, I don't have access to a raw ATLAS file. And I'm not sure how DAOD_TRUTH3_RC2.root was generated.

[ariostas]

For Run2012BC_DoubleMuParked_Muons_rntuple_1000evts.root I couldn't find the original Run2012BC_DoubleMuParked_Muons.root file in the UnROOT repo.

Sorry, I just realized that that's a public file.

[Moelf]

oh you're right... yeah those files are a bit cryptic, indeed I had to produce them with ATLAS stuff. This is as good as it can be for the moment I think

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.00%. Comparing base (9ed1610) to head (375691a).
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #151      +/-   ##
==========================================
+ Coverage   69.78%   70.00%   +0.21%     
==========================================
  Files           3        3              
  Lines         139      140       +1     
==========================================
+ Hits           97       98       +1     
  Misses         42       42              

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[ariostas]

I added partial instructions for how to generate these files, like in the UnROOT repo.

I'll look into writing some script to generate similar test files without having to use any ATLAS tools.

[ariostas]

@jpivarski seems like I can't request a reviewer since I'm not a member of this repo (or scikit-hep), but this is ready for review now.

[jpivarski]

It's ready: https://pypi.org/project/scikit-hep-testdata/0.4.44/