Fix typo in import that may have been breaking API docs

Fix typo: "griddedd" -> "gridded". This could be the reason the CI
checks were failing mysteriously while building the docs.

compass/landice/tests/greenland/mesh.py

@@ -8,7 +8,7 @@
     clean_up_after_interp,
     interp_gridded2mali,
     make_region_masks,
-    preprocess_griddedd_data,
+    preprocess_gridded_data,
 )
 from compass.model import make_graph_file
 from compass.step import Step
@@ -86,7 +86,7 @@ def run(self):
         # Preprocess the gridded GrIS source datasets to work
         # with the rest of the workflow
         logger.info('calling preprocess_gridded_data')
-        preprocessed_gridded_dataset = preprocess_griddedd_data(
+        preprocessed_gridded_dataset = preprocess_gridded_data(
             self, source_gridded_dataset_1km, floodMask)
 
         # Now build the base mesh and perform the standard interpolation
@@ -123,14 +123,14 @@ def run(self):
                         graph_filename='graph.info')
 
         # create region masks
-        mask_filename = f'{mesh_name[:-3]}_ismip6_regionMasks.nc'
-        make_region_masks(self, mesh_name, mask_filename,
+        mask_filename = f'{self.mesh_filename[:-3]}_ismip6_regionMasks.nc'
+        make_region_masks(self, self.mesh_filename, mask_filename,
                           self.cpus_per_task,
                           tags=["Greenland", "ISMIP6", "Shelf"],
                           component='ocean')
 
-        mask_filename = f'{mesh_name[:-3]}_zwally_regionMasks.nc'
-        make_region_masks(self, mesh_name, mask_filename,
+        mask_filename = f'{self.mesh_filename[:-3]}_zwally_regionMasks.nc'
+        make_region_masks(self, self.mesh_filename, mask_filename,
                           self.cpus_per_task,
                           tags=['eastCentralGreenland',
                                 'northEastGreenland',