Update cram tests

[victorlin]

Description of proposed changes

Small improvements.

Related issue(s)

#1176

Checklist

• Automated checks pass (docs failure unrelated)
• Check if you need to add a changelog message
• Check if you need to add tests
• Check if you need to update docs
• Merge base PR index: Allow FileNotFoundError to be handled at the top level #1646

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 72.14%. Comparing base (296a6c6) to head (efd8037).
Report is 100 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1647      +/-   ##
==========================================
+ Coverage   71.17%   72.14%   +0.96%     
==========================================
  Files          79       79              
  Lines        8268     8268              
  Branches     2010     2010              
==========================================
+ Hits         5885     5965      +80     
+ Misses       2095     2009      -86     
- Partials      288      294       +6     

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