Adding print statements for CI debugging

As I can't reproduce the failing unit tests locally

Author: erikvansebille

tests/test_fieldset.py

@@ -431,6 +431,7 @@ def test_fieldset_describe_backends(tmp_path):
         coords=ds_coords,
     )
     fieldset = FieldSet.from_sgrid_conventions(ds_fset)
+    print(fieldset.describe())
 
     io = StringIO()
     expected = """\
@@ -451,6 +452,7 @@ def test_fieldset_describe_backends(tmp_path):
 
     # Also run with WindowedArray backend
     fieldset = fieldset.to_windowed_arrays()
+    print(fieldset.describe())
 
     io = StringIO()
     expected = """\
@@ -473,6 +475,8 @@ def test_fieldset_describe_backends(tmp_path):
     ds_fset.to_zarr(path)
     ds_zarr = open_raw_zarr(path)
     fieldset = FieldSet.from_sgrid_conventions(ds_zarr)
+    print(fieldset.describe())
+
     io = StringIO()
     expected = """\
 | Name   | Type        |   Grid number | Interp method / value   | Parcels backend   |