diff --git a/xarray/tests/test_backends.py b/xarray/tests/test_backends.py
index b9fa499a03d..1a97349ee52 100644
--- a/xarray/tests/test_backends.py
+++ b/xarray/tests/test_backends.py
@@ -69,6 +69,7 @@
     requires_dask,
     requires_fsspec,
     requires_h5netcdf,
+    requires_h5netcdf_ros3,
     requires_iris,
     requires_netCDF4,
     requires_pseudonetcdf,
@@ -77,7 +78,6 @@
     requires_scipy,
     requires_scipy_or_netCDF4,
     requires_zarr,
-    requires_h5netcdf_ros3,
 )
 from xarray.tests.test_coding_times import (
     _ALL_CALENDARS,