add method argument to metadata test

Author: yucongalicechen

src/diffpy/labpdfproc/tests/test_tools.py

@@ -312,7 +312,7 @@ def test_load_metadata(mocker, user_filesystem):
             "wavelength": 0.71,
             "output_directory": str(Path.cwd().resolve()),
             "xtype": "tth",
-            "brute_force": False,
+            "method": "polynomial_interpolation",
             "key": "value",
             "username": "cli_username",
             "email": "[email protected]",