diff --git a/mislabeled/handle/_base.py b/mislabeled/handle/_base.py
index a9e84a1..a1a5d15 100644
--- a/mislabeled/handle/_base.py
+++ b/mislabeled/handle/_base.py
@@ -32,7 +32,7 @@ def _trust_score(detector, X, y):
 
 
 class BaseHandleClassifier(
-    BaseEstimator, ClassifierMixin, MetaEstimatorMixin, metaclass=ABCMeta
+    ClassifierMixin, MetaEstimatorMixin, BaseEstimator, metaclass=ABCMeta
 ):
     """
     Parameters
@@ -147,12 +147,3 @@ def predict_proba(self, X):
     def decision_function(self, X):
         check_is_fitted(self)
         return self.estimator_.decision_function(X)
-
-    def _more_tags(self):
-        return {
-            "_xfail_checks": {
-                "check_parameters_default_constructible": (
-                    "no default detector at the moment"
-                ),
-            },
-        }
diff --git a/mislabeled/split/tests/__init__.py b/mislabeled/split/tests/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/mislabeled/split/tests/test_multiclass.py b/tests/test_split_multiclass.py
similarity index 96%
rename from mislabeled/split/tests/test_multiclass.py
rename to tests/test_split_multiclass.py
index 3b2eef9..2cf032c 100644
--- a/mislabeled/split/tests/test_multiclass.py
+++ b/tests/test_split_multiclass.py
@@ -15,7 +15,8 @@
 from mislabeled.detect import ModelProbingDetector
 from mislabeled.ensemble import IndependentEnsemble
 from mislabeled.split import PerClassSplitter, QuantileSplitter
-from mislabeled.tests.utils import blobs_1_mislabeled
+
+from .utils import blobs_1_mislabeled
 
 
 @pytest.mark.parametrize("n_classes", [2, 5])
diff --git a/mislabeled/split/tests/test_quantile.py b/tests/test_split_quantile.py
similarity index 100%
rename from mislabeled/split/tests/test_quantile.py
rename to tests/test_split_quantile.py