Mark test_parse_dandi_url_not_found as xfailing

[jwodder]

Closes #967.

[codecov]

Codecov Report

Merging #973 (c435019) into master (00ee4dd) will decrease coverage by 24.49%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           master     #973       +/-   ##
===========================================
- Coverage   87.56%   63.07%   -24.50%     
===========================================
  Files          65       65               
  Lines        8104     8018       -86     
===========================================
- Hits         7096     5057     -2039     
- Misses       1008     2961     +1953     

Flag	Coverage Δ
unittests	63.07% <100.00%> (-24.50%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
dandi/tests/test_dandiarchive.py	89.65% <100.00%> (-10.35%)	⬇️
dandi/validate.py	0.00% <0.00%> (-100.00%)	⬇️
dandi/bids_validator_xs.py	0.00% <0.00%> (-93.53%)	⬇️
dandi/tests/test_bids_validator_xs.py	9.09% <0.00%> (-90.91%)	⬇️
dandi/support/tests/test_digests.py	16.66% <0.00%> (-83.34%)	⬇️
dandi/support/tests/test_iterators.py	13.15% <0.00%> (-81.58%)	⬇️
dandi/cli/tests/test_ls.py	21.05% <0.00%> (-78.95%)	⬇️
dandi/tests/test_validate.py	22.22% <0.00%> (-77.78%)	⬇️
dandi/tests/test_pynwb_utils.py	20.00% <0.00%> (-77.78%)	⬇️
dandi/cli/tests/test_formatter.py	22.22% <0.00%> (-77.78%)	⬇️
... and 44 more

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[github-actions]

🚀 PR was released in 0.39.3 🚀