Use "cache_spec:False" in our copy_nwb_file helper while exporting NWB copy

[yarikoptic]

• Stopped since ideally we should make it dependent on either original file contains the spec. Question posted

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.55%. Comparing base (44e097f) to head (8dba010).
Report is 17 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1497      +/-   ##
==========================================
- Coverage   88.55%   88.55%   -0.01%     
==========================================
  Files          77       77              
  Lines       10568    10575       +7     
==========================================
+ Hits         9359     9365       +6     
- Misses       1209     1210       +1     

Flag	Coverage Δ
unittests	88.55% <100.00%> (-0.01%)	⬇️

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

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[yarikoptic]

filed

• test_reextract_metadata some times times out on NFS #1507
  for the NFS fails which apparently do happen. Otherwise should be good, let's proceed