Update test_finetune_spin.py

Author: iProzd

source/tests/common/dpmodel/test_finetune_spin.py

@@ -103,6 +103,7 @@ def _make_sample_data(
             "energy": energy,
             "natoms": natoms_count,
             "find_energy": np.float32(1.0),
+            "find_fparam": np.float32(0.0),
         }
     ]