test: improve test_csv2cve_valid_file for future failures

[b31ngd3v]

closes #2532

[codecov-commenter]

Codecov Report

Merging #2548 (3d43125) into main (13395ef) will decrease coverage by 0.86%.
The diff coverage is 91.17%.

@@            Coverage Diff             @@
##             main    #2548      +/-   ##
==========================================
- Coverage   77.84%   76.98%   -0.87%     
==========================================
  Files         591      593       +2     
  Lines        9736     9757      +21     
  Branches     1323     1328       +5     
==========================================
- Hits         7579     7511      -68     
- Misses       1852     1946      +94     
+ Partials      305      300       -5     

Flag	Coverage Δ
longtests	76.98% <91.17%> (+0.05%)	⬆️
win-longtests	?

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

Impacted Files	Coverage Δ
cve_bin_tool/checkers/sqlite.py	56.52% <ø> (-0.93%)	⬇️
test/test_data/sqlite.py	100.00% <ø> (ø)
cve_bin_tool/error_handler.py	91.42% <57.14%> (-2.42%)	⬇️
cve_bin_tool/checkers/__init__.py	95.55% <100.00%> (ø)
cve_bin_tool/checkers/capnproto.py	100.00% <100.00%> (ø)
cve_bin_tool/output_engine/__init__.py	66.42% <100.00%> (-2.50%)	⬇️
test/test_cli.py	65.60% <100.00%> (-11.38%)	⬇️
test/test_csv2cve.py	100.00% <100.00%> (ø)
test/test_data/capnproto.py	100.00% <100.00%> (ø)
test/test_json.py	68.96% <0.00%> (-20.69%)	⬇️
... and 16 more

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[terriko]

Good solution. Looks like the test fails are unrelated to this PR.