Update test_arrow.py

Remove stray breakpoint.

Signed-off-by: Michael Tiemann <72577720+MichaelTiemannOSC@users.noreply.github.com>

Author: MichaelTiemannOSC

pandas/tests/extension/test_arrow.py

@@ -675,7 +675,6 @@ def test_view(self, data):
 class TestBaseMissing(base.BaseMissingTests):
     def test_fillna_no_op_returns_copy(self, data):
         if data.dtype.kind == "c":
-            breakpoint()
             request.node.add_marker(
                 pytest.mark.xfail(
                     reason=(