add code coverage

[muir]

No description provided.

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (main@83aa21d). Click here to learn what that means.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #12   +/-   ##
=======================================
  Coverage        ?   69.24%           
=======================================
  Files           ?        6           
  Lines           ?      543           
  Branches        ?        0           
=======================================
  Hits            ?      376           
  Misses          ?      124           
  Partials        ?       43           

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