Update test_arrow.py

Delete `request` parameter no longer needed for `test_fillna_no_op_returns_copy`.

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

Author: MichaelTiemannOSC

pandas/tests/extension/test_arrow.py

@@ -691,7 +691,7 @@ def test_is_not_string_type(self, dtype):
     def test_view(self, data):
         super().test_view(data)
 
-    def test_fillna_no_op_returns_copy(self, data, request):
+    def test_fillna_no_op_returns_copy(self, data):
         data = data[~data.isna()]
 
         valid = data[0]