fix quosures and add tests

[egillax]

No description provided.

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.01% ⚠️

Comparison is base (8a8bec8) 99.59% compared to head (09611d2) 99.58%.
Report is 1 commits behind head on main.

❗ Current head 09611d2 differs from pull request most recent head b5c16f3. Consider uploading reports for the commit b5c16f3 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #87      +/-   ##
==========================================
- Coverage   99.59%   99.58%   -0.01%     
==========================================
  Files           9        9              
  Lines         488      486       -2     
==========================================
- Hits          486      484       -2     
  Misses          2        2              

Files Changed	Coverage Δ
R/Estimator.R	100.00% <ø> (ø)

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