Moved Series and Dataframe calls to the body of the test

Author: AbelJSanchez

pandas/tests/frame/test_reductions.py

@@ -1044,26 +1044,22 @@ def test_sum_bools(self):
         assert bools.sum(axis=1)[0] == 10
 
     @pytest.mark.parametrize(
-        "df, expected",
+        "input_data, expected_data",
         [
+            ({"a": ["483", "3"], "b": ["94", "759"]}, ["48394", "3759"]),
             (
-                DataFrame({"a": ["483", "3"], "b": ["94", "759"]}),
-                Series(["48394", "3759"]),
-            ),
-            (
-                DataFrame({"a": ["483.948", "3.0"], "b": ["94.2", "759.93"]}),
-                Series(["483.94894.2", "3.0759.93"]),
-            ),
-            (
-                DataFrame({"a": ["483", "3.0"], "b": ["94.2", "79"]}),
-                Series(["48394.2", "3.079"]),
+                {"a": ["483.948", "3.0"], "b": ["94.2", "759.93"]},
+                ["483.94894.2", "3.0759.93"],
             ),
+            ({"a": ["483", "3.0"], "b": ["94.2", "79"]}, ["48394.2", "3.079"]),
         ],
     )
-    def test_sum_string_dtype_coercion(self, df, expected):
+    def test_sum_string_dtype_coercion(self, input_data, expected_data):
         # GH#22642
         # Check that summing numeric strings results in concatenation
         # and not conversion to dtype int64 or float64
+        df = DataFrame(input_data)
+        expected = Series(expected_data)
         result = df.sum(axis=1)
         tm.assert_series_equal(result, expected)