[RECIPE FAILURE]: `recipe_autoassess_landsurface_soilmoisture.yml`: `AssertionError: ref and test must have same set of metrics`

[ehogan]

The RTW has identified that the recipe_autoassess_landsurface_soilmoisture.yml recipe fails to run:

Traceback (most recent call last):
  File "/opt/conda/envs/esmvaltool/lib/python3.13/site-packages/esmvaltool/diag_scripts/autoassess/plot_autoassess_metrics.py", line 104, in <module>
    main()
    ~~~~^^
  File "/opt/conda/envs/esmvaltool/lib/python3.13/site-packages/esmvaltool/diag_scripts/autoassess/plot_autoassess_metrics.py", line 83, in main
    plot_nac(
    ~~~~~~~~^
        control_model,
        ^^^^^^^^^^^^^^
    ...<10 lines>...
        config=cfg,
        ^^^^^^^^^^^
    )
    ^
  File "/opt/conda/envs/esmvaltool/lib/python3.13/site-packages/esmvaltool/diag_scripts/autoassess/_plot_mo_metrics.py", line 644, in plot_nac
    n_var = normalise(var, ref)
  File "/opt/conda/envs/esmvaltool/lib/python3.13/site-packages/esmvaltool/diag_scripts/autoassess/_plot_mo_metrics.py", line 425, in normalise
    assert sorted(test.keys()) == sorted(ref.keys()), (
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: ref and test must have same set of metrics