add assert in test function

CloseChoice · CloseChoice · commit 8ba42bcfc961 · 2021-11-26T18:15:12.000+01:00
diff --git a/pandas/tests/groupby/test_function.py b/pandas/tests/groupby/test_function.py
@@ -1189,3 +1189,4 @@ def test_cumsum_ninf_inf():
 
     result = ser.groupby([1, 1, 1, 1, 1]).cumsum()
     expected = Series([np.inf, np.inf, np.inf, np.nan, np.nan])
+    tm.assert_series_equal(result, expected)

Original file line number	Diff line number	Diff line change
`@@ -1189,3 +1189,4 @@ def test_cumsum_ninf_inf():`
`1189`	`1189`
`1190`	`1190`	`result = ser.groupby([1, 1, 1, 1, 1]).cumsum()`
`1191`	`1191`	`expected = Series([np.inf, np.inf, np.inf, np.nan, np.nan])`
	`1192`	`+ tm.assert_series_equal(result, expected)`