Show downloading output without pytest -s argument

.github/workflows/package_and_test.yml

@@ -13,4 +13,4 @@ jobs:
       # "github.event.pull_request.head.ref" is for "pull request" event while "github.ref_name" is for "push" event
       POOCH_BASE_URL: https://github.com/${{ github.event.pull_request.head.repo.full_name || github.repository }}/raw/${{ github.event.pull_request.head.ref || github.ref_name }}/rsciio/tests/data/
       # "-s" is used to show of output when downloading the test files
-      PYTEST_ARGS: "-n 2 -s"
+      PYTEST_ARGS: "-n 2"

rsciio/tests/conftest.py

@@ -36,17 +36,19 @@
     pass
 
 
-def _download_test_data():
-    from rsciio.tests.registry_utils import download_all
+# From https://pytest-xdist.readthedocs.io/en/latest/how-to.html#making-session-scoped-fixtures-execute-only-once
+@pytest.fixture(scope="session", autouse=True)
+def session_data(request, tmp_path_factory, worker_id):
+    capmanager = request.config.pluginmanager.getplugin("capturemanager")
 
-    print("Checking if test data need downloading...")
-    download_all()
-    print("All test data available.")
+    def _download_test_data():
+        from rsciio.tests.registry_utils import download_all
 
+        with capmanager.global_and_fixture_disabled():
+            print("Checking if test data need downloading...")
+            download_all()
+            print("All test data available.")
 
-# From https://pytest-xdist.readthedocs.io/en/latest/how-to.html#making-session-scoped-fixtures-execute-only-once
-@pytest.fixture(scope="session", autouse=True)
-def session_data(tmp_path_factory, worker_id):
     if worker_id == "master":
         # not executing in with multiple workers, just produce the data and let
         # pytest's fixture caching do its job