From f47dedebac6b43c1678ba183305277423e5a24d9 Mon Sep 17 00:00:00 2001
From: MBrouns <matthijs.brouns@gmail.com>
Date: Sat, 20 Jun 2020 14:41:56 +0200
Subject: [PATCH] ignore the deprecation warning in the constructor validation
 test

---
 pandas/tests/window/test_expanding.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pandas/tests/window/test_expanding.py b/pandas/tests/window/test_expanding.py
index bb8aa0b8f20e8e..274b4b9830ec9e 100644
--- a/pandas/tests/window/test_expanding.py
+++ b/pandas/tests/window/test_expanding.py
@@ -16,6 +16,9 @@ def test_doc_string():
     df.expanding(2).sum()
 
 
+@pytest.mark.filterwarnings(
+    "ignore:The `center` argument on `expanding` will be removed in the future"
+)
 def test_constructor(which):
     # GH 12669