Support item assets that reference virtual icechunk stores

Author: jsignell

tests/conftest.py

@@ -25,11 +25,17 @@ def data_cube_kerchunk() -> pystac.ItemCollection:
 
 
 @pytest.fixture(scope="module")
-def virtual_icechunk() -> pystac.ItemCollection:
+def virtual_icechunk_collection() -> pystac.Collection:
     path = "tests/data/virtual-icechunk-collection.json"
     return pystac.Collection.from_file(path)
 
 
+@pytest.fixture(scope="module")
+def virtual_icechunk_item() -> pystac.Item:
+    path = "tests/data/virtual-icechunk-item.json"
+    return pystac.Item.from_file(path)
+
+
 @pytest.fixture(scope="module")
 def simple_search() -> pystac_client.ItemSearch:
     client = pystac_client.Client.open(STAC_URLS["EARTH-SEARCH"])