Fix order with V3 arrays

Author: dstansby

src/zarr/core/array.py

@@ -3989,6 +3989,12 @@ async def init_array(
             chunks_out = chunk_shape_parsed
             codecs_out = sub_codecs
 
+        if order is not None:
+            if config is None:
+                config = {}
+            if "order" not in config:
+                config["order"] = order
+
         meta = AsyncArray._create_metadata_v3(
             shape=shape_parsed,
             dtype=dtype_parsed,

tests/test_array.py

@@ -1273,9 +1273,9 @@ def test_order(
             order=order,
             config=config,
         )
+        assert arr.order == expected
         if zarr_format == 2:
             assert arr.metadata.order == expected
-            assert arr.order == expected
 
         vals = np.asarray(arr)
         if expected == "C":