add test for raster:bands spatial_resolution

tests/test_local.py

@@ -14,6 +14,10 @@ def test_build(s2scene_dir):
     col = build_item_collection(s2scene_dir, collection_format())
     assert len(col) == len(s2scene_dir.dirs())
     assert len(col[0].assets) == 11
+    extra_fields = col[0].assets["B02"].extra_fields
+    raster_bands = extra_fields["raster:bands"][0]
+    assert raster_bands["spatial_resolution"] == 10
+    
 
 def test_datetime(s2scene_dir):
     fmt = collection_format()