Fix nonmatching name in the test.

Author: domsmrz

pandas/tests/computation/test_eval.py

@@ -741,7 +741,7 @@ def test_using_numpy(self):
         # GH 58041
         df = Series([0.2, 1.5, 2.8], name="a").to_frame()
         res = df.eval("@np.floor(a)")
-        expected = np.floor(df["a"])
+        expected = np.floor(df["a"]).rename(None)
         tm.assert_series_equal(expected, res)