Uncomment failing test cases

Author: nixphix

pandas/tests/frame/methods/test_combine_first.py

@@ -140,13 +140,13 @@ def test_combine_first_mixed_bug(self):
         )
         df2 = DataFrame([[-42.6, np.nan, True], [-5.0, 1.6, False]], index=[1, 2])
 
-        result1 = df1.combine_first(df2)[2]
+        result = df1.combine_first(df2)[2]
         result2 = df2.combine_first(df1)[2]
-        # this would fail prior to this fix
-        tm.assert_series_equal(result1, result2)
+
         expected = Series([True, True, False], name=2)
-        # regression
-        # tm.assert_series_equal(result, expected)
+
+        tm.assert_series_equal(result, result2)
+        tm.assert_series_equal(result, expected)
 
         # GH 3593, converting datetime64[ns] incorrectly
         df0 = DataFrame(
@@ -343,13 +343,13 @@ def test_combine_first_int(self):
         df1 = pd.DataFrame({"a": [0, 1, 3, 5]}, dtype="int64")
         df2 = pd.DataFrame({"a": [1, 4]}, dtype="int64")
 
-        res1 = df1.combine_first(df2)
+        res = df1.combine_first(df2)
         res2 = df1.combine_first(df2)
-        # this would fail prior to this fix
-        assert res1["a"].dtype == res2["a"].dtype
-        # regression
-        # tm.assert_frame_equal(res, df1)
-        # assert res["a"].dtype == "int64"
+
+        assert res["a"].dtype == res2["a"].dtype
+
+        tm.assert_frame_equal(res, df1)
+        assert res["a"].dtype == "int64"
 
     @pytest.mark.parametrize("val", [1, 1.0])
     def test_combine_first_with_asymmetric_other(self, val):