rename mark to avoid warning on pytest ordering package
@@ -52,7 +52,7 @@ def test_viewer(viewer_factory):
# Window.close() method.
-@pytest.mark.first # provided by pytest-ordering
+@pytest.mark.run(order=1) # provided by pytest-ordering
def test_no_qt_loop():
"""Test informative error raised when no Qt event loop exists.
