From 2072ec183b06a45d0760cc6b957298fa2898926a Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Thu, 3 Nov 2022 14:10:52 -0700
Subject: [PATCH 1/3] CI: Change flaky to_excel test to use xlsxwriter

---
 pandas/tests/io/test_common.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pandas/tests/io/test_common.py b/pandas/tests/io/test_common.py
index 145682b484100..96ff900bbe1f9 100644
--- a/pandas/tests/io/test_common.py
+++ b/pandas/tests/io/test_common.py
@@ -339,7 +339,7 @@ def test_read_fspath_all(self, reader, module, path, datapath):
         "writer_name, writer_kwargs, module",
         [
             ("to_csv", {}, "os"),
-            ("to_excel", {"engine": "openpyxl"}, "openpyxl"),
+            ("to_excel", {"engine": "xlsxwriter"}, "xlsxwriter"),
             ("to_feather", {}, "pyarrow"),
             ("to_html", {}, "os"),
             ("to_json", {}, "os"),

From 1f692297dc2e814486de6230cdf4dbcc9799f7a7 Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Mon, 7 Nov 2022 13:27:05 -0800
Subject: [PATCH 2/3] Just commpare df

---
 pandas/tests/io/test_common.py | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/pandas/tests/io/test_common.py b/pandas/tests/io/test_common.py
index 96ff900bbe1f9..f5fb726954929 100644
--- a/pandas/tests/io/test_common.py
+++ b/pandas/tests/io/test_common.py
@@ -359,14 +359,18 @@ def test_write_fspath_all(self, writer_name, writer_kwargs, module):
             writer = getattr(df, writer_name)
 
             writer(string, **writer_kwargs)
-            with open(string, "rb") as f:
-                expected = f.read()
-
             writer(mypath, **writer_kwargs)
-            with open(fspath, "rb") as f:
-                result = f.read()
-
-            assert result == expected
+            with open(string, "rb") as f_str, open(fspath, "rb") as f_path:
+                if writer == "to_excel":
+                    # binary representation of excel contains time creation
+                    # data that causes flaky CI failures
+                    result = pd.read_excel(f_str, **writer_kwargs)
+                    expected = pd.read_excel(f_path, **writer_kwargs)
+                    tm.assert_frame_equal(result, expected)
+                else:
+                    result = f_str.read()
+                    expected = f_path.read()
+                    assert result == expected
 
     @pytest.mark.filterwarnings(  # pytables np.object usage
         "ignore:`np.object` is a deprecated alias:DeprecationWarning"

From ce43179fc755bfc5d14cb96455f00632fd30e12a Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Mon, 7 Nov 2022 19:47:01 -0800
Subject: [PATCH 3/3] Back to openpyxl

---
 pandas/tests/io/test_common.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pandas/tests/io/test_common.py b/pandas/tests/io/test_common.py
index f5fb726954929..5b3b5602c95bc 100644
--- a/pandas/tests/io/test_common.py
+++ b/pandas/tests/io/test_common.py
@@ -339,7 +339,7 @@ def test_read_fspath_all(self, reader, module, path, datapath):
         "writer_name, writer_kwargs, module",
         [
             ("to_csv", {}, "os"),
-            ("to_excel", {"engine": "xlsxwriter"}, "xlsxwriter"),
+            ("to_excel", {"engine": "openpyxl"}, "openpyxl"),
             ("to_feather", {}, "pyarrow"),
             ("to_html", {}, "os"),
             ("to_json", {}, "os"),