Construct from tuples in test

Author: Daniel Saxton

pandas/tests/indexing/multiindex/test_multiindex.py

@@ -114,10 +114,10 @@ def test_nested_tuples_duplicates(self):
 
     def test_multiindex_from_product_contains_na(self):
         # https://github.com/pandas-dev/pandas/issues/31883
-        values1 = [np.array([0.0, pd.NA], dtype="object"), ["a", "b"]]
-        values2 = [np.array([0.0, np.nan], dtype="object"), ["a", "b"]]
+        values = [np.array([0.0, pd.NA], dtype="object"), ["a", "b"]]
+        tuples = [(0.0, "a"), (0.0, "b"), (np.nan, "a"), (np.nan, "b")]
 
-        result = pd.MultiIndex.from_product(values1)
-        expected = pd.MultiIndex.from_product(values2)
+        result = pd.MultiIndex.from_product(values)
+        expected = pd.MultiIndex.from_tuples(tuples)
 
         tm.assert_index_equal(result, expected)