From d606ff0004fa7005a5b6301282598a66d8a7a1ea Mon Sep 17 00:00:00 2001
From: Tom Augspurger <tom.w.augspurger@gmail.com>
Date: Sat, 27 Oct 2018 14:43:54 -0500
Subject: [PATCH] TST: unxfail combine-concat

---
 pandas/tests/frame/test_combine_concat.py | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/pandas/tests/frame/test_combine_concat.py b/pandas/tests/frame/test_combine_concat.py
index 3b8d6e6c55ed1..f4911be932138 100644
--- a/pandas/tests/frame/test_combine_concat.py
+++ b/pandas/tests/frame/test_combine_concat.py
@@ -72,13 +72,10 @@ def test_concat_multiple_tzs(self):
         expected = DataFrame(dict(time=[ts2, ts3]))
         assert_frame_equal(results, expected)
 
-    @pytest.mark.parametrize(
-        't1',
-        [
-            '2015-01-01',
-            pytest.param(pd.NaT, marks=pytest.mark.xfail(
-                reason='GH23037 incorrect dtype when concatenating',
-                strict=True))])
+    @pytest.mark.parametrize('t1', [
+        '2015-01-01',
+        pd.NaT,
+    ])
     def test_concat_tz_NaT(self, t1):
         # GH 22796
         # Concating tz-aware multicolumn DataFrames