Simplify s390x conditional testing

[skip changelog]

python-dask.spec

@@ -148,6 +148,15 @@ pytest_args=(
 
   -k "${k-}"
 
+# arrow tests all fail on s390x, it's not at all BE-safe
+# the exclusion of arrow as a build dep on s390x above is meant to
+# ensure these tests get skipped, but dask-expr requires arrow, so it
+# it gets pulled into the build env anyway
+# https://github.com/dask/dask/issues/11186
+%ifarch s390x
+  --ignore %{buildroot}%{python3_sitelib}/%{srcname}/dataframe/io/tests/test_parquet.py
+%endif
+
   # Upstream uses 'thread' for Windows, but that kills the whole session, and
   # we'd like to see exactly which tests fail.
   --timeout_method=signal
@@ -155,23 +164,9 @@ pytest_args=(
   --pyargs dask
 )
 
-%ifarch s390x
-# arrow tests all fail on s390x, it's not at all BE-safe
-# the exclusion of arrow as a build dep on s390x above is meant to
-# ensure these tests get skipped, but dask-expr requires arrow, so it
-# it gets pulled into the build env anyway
-# https://github.com/dask/dask/issues/11186
-mv %{buildroot}%{python3_sitelib}/%{srcname}/dataframe/io/tests/test_parquet.py %{buildroot}%{python3_sitelib}/%{srcname}/dataframe/io/tests/XXparquetXX
-%endif
-
 cd docs
 %{pytest} "${pytest_args[@]}"
 
-%ifarch s390x
-mv %{buildroot}%{python3_sitelib}/%{srcname}/dataframe/io/tests/XXparquetXX %{buildroot}%{python3_sitelib}/%{srcname}/dataframe/io/tests/test_parquet.py
-%endif
-
-
 %files -n python3-%{srcname} -f %{pyproject_files}
 %doc README.rst
 %license dask/array/NUMPY_LICENSE.txt