TESTS: Update error message in test_negative_ccp_alpha

sebp · sebp · commit 649d02e02f43 · 2022-08-13T13:08:35.000+02:00
See scikit-learn/scikit-learn#21990
diff --git a/tests/test_boosting.py b/tests/test_boosting.py
@@ -207,7 +207,7 @@ def test_negative_ccp_alpha(make_whas500):
         whas500_data = make_whas500(with_std=False, to_numeric=True)
 
         clf = GradientBoostingSurvivalAnalysis()
-        msg = "ccp_alpha must be greater than or equal to 0"
+        msg = "ccp_alpha == -1.0, must be >= 0.0"
 
         clf.set_params(ccp_alpha=-1.0)
         with pytest.raises(ValueError, match=msg):
