Add gram_force unit and organize Force and Pressure tests.

[iliekturtles]

No description provided.

[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 56.25%. Comparing base (20d650d) to head (37c4803).
Report is 4 commits behind head on master.

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #401   +/-   ##
=======================================
  Coverage   56.25%   56.25%           
=======================================
  Files          10       10           
  Lines         304      304           
=======================================
  Hits          171      171           
  Misses        133      133           

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