Fix Exceptions not being thrown in test harness

[zprobst]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 97.93%. Comparing base (876d98a) to head (9bb0026).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
nodestream/pipeline/progress_reporter.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #370      +/-   ##
==========================================
- Coverage   97.95%   97.93%   -0.02%     
==========================================
  Files         147      147              
  Lines        5318     5320       +2     
==========================================
+ Hits         5209     5210       +1     
- Misses        109      110       +1     

Flag	Coverage Δ
3.10-macos-latest	97.91% <50.00%> (?)
3.10-ubuntu-latest	97.89% <50.00%> (-0.02%)	⬇️
3.10-windows-latest	97.85% <50.00%> (-0.02%)	⬇️
3.11-macos-latest	97.89% <50.00%> (-0.04%)	⬇️
3.11-ubuntu-latest	97.89% <50.00%> (-0.02%)	⬇️
3.11-windows-latest	97.85% <50.00%> (?)
3.12-macos-latest	97.91% <50.00%> (-0.02%)	⬇️
3.12-ubuntu-latest	97.89% <50.00%> (-0.02%)	⬇️
3.12-windows-latest	97.87% <50.00%> (?)
3.13-macos-latest	97.89% <50.00%> (?)
3.13-ubuntu-latest	97.89% <50.00%> (?)
3.13-windows-latest	97.85% <50.00%> (-0.02%)	⬇️

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