force compute to prevent inconsistency comparison lazy vs in-memory

Author: melonora

test/_data.py

@@ -61,7 +61,7 @@ def verify_against_baseline(dataset_name, baseline_name, multiscale):
     dt = xr.open_datatree(store, engine="zarr", mode="r")
     xr.testing.assert_equal(dt.ds, multiscale.ds)
     for scale in multiscale.children:
-        xr.testing.assert_equal(dt[scale].ds, multiscale[scale].ds)
+        xr.testing.assert_equal(dt[scale].ds.compute(), multiscale[scale].ds.compute())
 
 
 def store_new_image(dataset_name, baseline_name, multiscale_image):