Adds test for closing a zarr store created internally

xarray/tests/test_backends.py

@@ -5431,3 +5431,13 @@ def test_raise_writing_to_nczarr(self, mode) -> None:
 def test_pickle_open_mfdataset_dataset():
     ds = open_example_mfdataset(["bears.nc"])
     assert_identical(ds, pickle.loads(pickle.dumps(ds)))
+
+
+@requires_zarr
+def test_zarr_closing_internal_zip_store():
+    store_name = "tmp.zarr.zip"
+    original_da = DataArray(np.arange(12).reshape((3, 4)))
+    original_da.to_zarr(store_name, mode="w")
+
+    with open_dataarray(store_name, engine="zarr") as loaded_da:
+        assert_identical(original_da, loaded_da)