From 99e7adc546c5a4dbb9a7440559a957f6d790ef85 Mon Sep 17 00:00:00 2001
From: gfyoung <gfyoung17@gmail.com>
Date: Fri, 30 Nov 2018 16:55:54 -0800
Subject: [PATCH] TST: Check error message in overlapping bins test

Follow-up to gh-23999.

xref gh-23922.
---
 pandas/tests/reshape/test_tile.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/pandas/tests/reshape/test_tile.py b/pandas/tests/reshape/test_tile.py
index b0445f5a9e2d5..19f1a9a8b65c7 100644
--- a/pandas/tests/reshape/test_tile.py
+++ b/pandas/tests/reshape/test_tile.py
@@ -92,9 +92,11 @@ def test_bins_from_intervalindex(self):
                                     np.array([1, 1, 2], dtype='int8'))
 
     def test_bins_not_overlapping_from_intervalindex(self):
-        # verify if issue 23980 is properly solved.
+        # see gh-23980
+        msg = "Overlapping IntervalIndex is not accepted"
         ii = IntervalIndex.from_tuples([(0, 10), (2, 12), (4, 14)])
-        with pytest.raises(ValueError):
+
+        with pytest.raises(ValueError, match=msg):
             cut([5, 6], bins=ii)
 
     def test_bins_not_monotonic(self):