New modifications for PR

Author: dbeniamine

pandas/tests/groupby/test_grouping.py

@@ -149,18 +149,6 @@ def test_grouper_index_types(self):
             df.index = list(reversed(df.index.tolist()))
             df.groupby(list("abcde")).apply(lambda x: x)
 
-    def test_grouper_period_index(self):
-        # GH 32108
-        periods = 2
-        index = pd.period_range(start="2018-01", periods=periods, freq="M")
-        period_serie = pd.Series(range(periods), index=index)
-        period_serie.index.name = "Month"
-        result = period_serie.groupby(period_serie.index.month).sum()
-
-        expected = pd.Series(range(0, periods), index=range(1, periods + 1))
-        expected.index.name = period_serie.index.name
-        tm.assert_series_equal(result, expected)
-
     def test_grouper_multilevel_freq(self):
 
         # GH 7885

pandas/tests/groupby/test_timegrouper.py

@@ -769,3 +769,18 @@ def test_scalar_call_versus_list_call(self):
         expected = grouped.count()
 
         tm.assert_frame_equal(result, expected)
+
+    def test_grouper_period_index(self):
+        # GH 32108
+        periods = 2
+        index = pd.period_range(
+            start="2018-01", periods=periods, freq="M", name="Month"
+        )
+        period_serie = pd.Series(range(periods), index=index)
+        result = period_serie.groupby(period_serie.index.month).sum()
+
+        expected = pd.Series(
+            range(0, periods),
+            index=Index(range(1, periods + 1), name=period_serie.index.name),
+        )
+        tm.assert_series_equal(result, expected)