Update newly added test

Author: avinashpancham

pandas/tests/arrays/test_timedeltas.py

@@ -336,7 +336,7 @@ def test_median(self):
         assert result is pd.NaT
 
     def test_mean(self):
-        tdi = pd.TimedeltaIndex(["0H", "3H", "NaT", "5H06m", "0H", "2H"])
+        tdi = pd.TimedeltaIndex(["0H", "3H", "NaT", "5H06min", "0H", "2H"])
         arr = tdi._data
 
         # manually verified result