xfail test which times out due to large nisar file

[TomNicholas]

Attempt to prevent failures of test suite on main, as discussed in #365.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.98%. Comparing base (ff6bdb6) to head (ca96d60).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #370      +/-   ##
==========================================
- Coverage   79.72%   78.98%   -0.74%     
==========================================
  Files          32       32              
  Lines        1899     1899              
==========================================
- Hits         1514     1500      -14     
- Misses        385      399      +14     

see 21 files with indirect coverage changes