TestNoNewAttributesMixin -> TestNoNewAttributes as it's not used a mixin anywhere

Author: SaturnFromTitan

pandas/tests/test_base.py

@@ -967,7 +967,7 @@ def test_numpy_transpose(self):
                 np.transpose(obj, axes=1)
 
 
-class TestNoNewAttributesMixin:
+class TestNoNewAttributes:
     def test_mixin(self):
         class T(NoNewAttributesMixin):
             pass