975 test abiotic model with no canopy

[vgro]

This PR updates the dummy climate data with varying canopy to have one grid cell without vegetation. The intention is to check that the model behaves sensibly without vegetation (not considering the potential grass layer).

Fixes #975

Type of change

• New feature (non-breaking change which adds functionality)
• Optimization (back-end change that speeds up the code)
• Bug fix (non-breaking change which fixes an issue)

Key checklist

• Make sure you've run the pre-commit checks: $ pre-commit run -a
• All tests pass: $ poetry run pytest

Further checks

• Code is commented, particularly in hard-to-understand areas
• Tests added that prove fix is effective or that feature works
• Relevant documentation reviewed and updated

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.13%. Comparing base (810332c) to head (d81d32f).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1021   +/-   ##
========================================
  Coverage    95.13%   95.13%           
========================================
  Files           80       80           
  Lines         6722     6722           
========================================
  Hits          6395     6395           
  Misses         327      327           

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[davidorme]

LGTM - Isn't it useful that I presciently duplicated the last column so we can change it to no canopy without getting rid of the single layer case 😄

I think I only did this so that the inputs weren't square: square inputs are an absolute sitting duck for accidental matrix transposition bugs.