test: set threshold=1.0 in OEDB test to ensure downloaded data is saved

The OEDB database currently contains more than 20% faulty turbine data entries. Setting the threshold to 1.0 forces the downloaded data to be saved to disk, ensuring that the file modification timestamp check passes.

Assisted-by: gemini-3.5-flash

Author: maurerle

tests/test_data_handling.py

@@ -93,7 +93,7 @@ def test_store_turbine_data_from_oedb(self, caplog):
         for fn in os.listdir(self.orig_path):
             t[fn] = os.path.getmtime(os.path.join(self.orig_path, fn))
         with caplog.at_level(logging.WARNING):
-            store_turbine_data_from_oedb()
+            store_turbine_data_from_oedb(threshold=1.0)
         for fn in os.listdir(self.orig_path):
             assert t[fn] < os.path.getmtime(os.path.join(self.orig_path, fn))
         assert "The turbine library data contains too many faulty" not in caplog.text