From 32315d66c210126d1163cb3882b8532a0e0f3ad4 Mon Sep 17 00:00:00 2001
From: jbrockmendel <jbrockmendel@gmail.com>
Date: Sun, 23 Jun 2019 12:26:49 -0700
Subject: [PATCH 1/2] Fix flaky test

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

diff --git a/pandas/tests/resample/test_resample_api.py b/pandas/tests/resample/test_resample_api.py
index 7157ecccace00..2de763bcaaf7e 100644
--- a/pandas/tests/resample/test_resample_api.py
+++ b/pandas/tests/resample/test_resample_api.py
@@ -145,7 +145,7 @@ def test_api_compat_before_use():
 
 def tests_skip_nuisance():
 
-    df = test_frame
+    df = test_frame.copy()
     df['D'] = 'foo'
     r = df.resample('H')
     result = r[['A', 'B']].sum()

From ec2bf38f5e54846a86897e2d0fab2e98eecb30a6 Mon Sep 17 00:00:00 2001
From: jbrockmendel <jbrockmendel@gmail.com>
Date: Sun, 23 Jun 2019 13:32:51 -0700
Subject: [PATCH 2/2] make fixture

---
 pandas/tests/resample/test_resample_api.py | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/pandas/tests/resample/test_resample_api.py b/pandas/tests/resample/test_resample_api.py
index 2de763bcaaf7e..ca2fb1acb6afa 100644
--- a/pandas/tests/resample/test_resample_api.py
+++ b/pandas/tests/resample/test_resample_api.py
@@ -14,10 +14,15 @@
                  end=datetime(2005, 1, 10), freq='Min')
 
 test_series = Series(np.random.rand(len(dti)), dti)
-test_frame = DataFrame(
+_test_frame = DataFrame(
     {'A': test_series, 'B': test_series, 'C': np.arange(len(dti))})
 
 
+@pytest.fixture
+def test_frame():
+    return _test_frame.copy()
+
+
 def test_str():
 
     r = test_series.resample('H')
@@ -76,7 +81,7 @@ def test_groupby_resample_on_api():
     assert_frame_equal(result, expected)
 
 
-def test_pipe():
+def test_pipe(test_frame):
     # GH17905
 
     # series
@@ -92,7 +97,7 @@ def test_pipe():
     tm.assert_frame_equal(result, expected)
 
 
-def test_getitem():
+def test_getitem(test_frame):
 
     r = test_frame.resample('H')
     tm.assert_index_equal(r._selected_obj.columns, test_frame.columns)
@@ -111,7 +116,7 @@ def test_getitem():
 
 
 @pytest.mark.parametrize('key', [['D'], ['A', 'D']])
-def test_select_bad_cols(key):
+def test_select_bad_cols(key, test_frame):
     g = test_frame.resample('H')
     # 'A' should not be referenced as a bad column...
     # will have to rethink regex if you change message!
@@ -120,7 +125,7 @@ def test_select_bad_cols(key):
         g[key]
 
 
-def test_attribute_access():
+def test_attribute_access(test_frame):
 
     r = test_frame.resample('H')
     tm.assert_series_equal(r.A.sum(), r['A'].sum())
@@ -143,9 +148,9 @@ def test_api_compat_before_use():
         getattr(rs, attr)
 
 
-def tests_skip_nuisance():
+def tests_skip_nuisance(test_frame):
 
-    df = test_frame.copy()
+    df = test_frame
     df['D'] = 'foo'
     r = df.resample('H')
     result = r[['A', 'B']].sum()