Nc load latlon fix#4470

Merged

bjlittle merged 2 commits intoSciTools:mainfrom

pp-mo:nc_load_latlon_fix

Jan 4, 2022

Commits on Dec 20, 2021

Tests, and partial fix, for latlon identification problems.
pp-mo
committed
Updated to align with tests developed against Iris 3.0.4, from the branch 'nc_load_latlon_further_RETRO'.
pp-mo
committed