add case to test data

Author: SimonBlanke

src/hyperactive/experiment/integrations/sklearn_cv.py

@@ -1,4 +1,5 @@
 """Experiment adapter for sklearn cross-validation experiments."""
+
 # copyright: hyperactive developers, MIT License (see LICENSE file)
 
 from sklearn import clone
@@ -215,7 +216,7 @@ def get_test_params(cls, parameter_set="default"):
  X, y = load_diabetes(return_X_y=True)
  params_regress = {
  "estimator": SVR(),
- "scoring": mean_absolute_error,
+ "scoring": "neg_mean_absolute_error",
  "cv": 2,
  "X": X,
  "y": y,