diff --git a/pandas/tests/frame/methods/test_fillna.py b/pandas/tests/frame/methods/test_fillna.py
index 4cf6706707569..3d7e5c6823e9d 100644
--- a/pandas/tests/frame/methods/test_fillna.py
+++ b/pandas/tests/frame/methods/test_fillna.py
@@ -777,6 +777,6 @@ def test_fillna_nonconsolidated_frame():
         ],
         columns=["i1", "i2", "i3", "f1"],
     )
-    df_nonconsol = df.pivot("i1", "i2")
+    df_nonconsol = df.pivot(index="i1", columns="i2")
     result = df_nonconsol.fillna(0)
     assert result.isna().sum().sum() == 0
diff --git a/pandas/tests/frame/methods/test_update.py b/pandas/tests/frame/methods/test_update.py
index a35530100a425..af7a13f6adb5a 100644
--- a/pandas/tests/frame/methods/test_update.py
+++ b/pandas/tests/frame/methods/test_update.py
@@ -136,7 +136,8 @@ def test_update_from_non_df(self):
     def test_update_datetime_tz(self):
         # GH 25807
         result = DataFrame([pd.Timestamp("2019", tz="UTC")])
-        result.update(result)
+        with tm.assert_produces_warning(FutureWarning):
+            result.update(result)
         expected = DataFrame([pd.Timestamp("2019", tz="UTC")])
         tm.assert_frame_equal(result, expected)