CI/TST: numpy 1.22.3 release fixes (#46274)

Author: mroeschke

pandas/core/indexes/multi.py

@@ -1088,9 +1088,7 @@ def _engine(self):
         # equivalent to sorting lexicographically the codes themselves. Notice
         # that each level needs to be shifted by the number of bits needed to
         # represent the _previous_ ones:
-        offsets = np.concatenate([lev_bits[1:], [0]]).astype(  # type: ignore[arg-type]
-            "uint64"
-        )
+        offsets = np.concatenate([lev_bits[1:], [0]]).astype("uint64")
 
         # Check the total number of bits needed for our representation:
         if lev_bits[0] > 64:

pandas/tests/frame/test_ufunc.py

@@ -263,12 +263,6 @@ def test_alignment_deprecation_many_inputs(request):
     )
 
     if np_version_gte1p22:
-        mark = pytest.mark.xfail(
-            reason="ufunc 'my_ufunc' did not contain a loop with signature matching "
-            "types",
-        )
-        request.node.add_marker(mark)
-
         mark = pytest.mark.filterwarnings(
             "ignore:`np.MachAr` is deprecated.*:DeprecationWarning"
         )