add center_longitude! at 0 test

[juliasloan25]

Purpose

I encountered a problem when plotting with Makie, where plotting a variable with longitude in [0, 360] produces an improper plot (see MakieOrg/GeoMakie.jl#290). I wanted to use center_longitude! to recenter the longitude at 0 and produce longitude in [-180, 180], but calling center_longitude!(var, 0) maintains extrema(var.dims["long"]) == (0.0, 360.0), due to the use of circshift.

To-do

Content

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• I have read and checked the items on the review checklist.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.18%. Comparing base (28823aa) to head (54da413).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #194   +/-   ##
=======================================
  Coverage   98.18%   98.18%           
=======================================
  Files          12       12           
  Lines        1209     1209           
=======================================
  Hits         1187     1187           
  Misses         22       22           

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