TST: Use compatible time zones

xref pandas-dev#13186
closes pandas-dev#13190

Author: neirbowj

pandas/tests/series/test_timeseries.py

@@ -346,8 +346,10 @@ def test_getitem_setitem_datetime_tz_dateutil(self):
         from pandas import date_range
 
         N = 50
+
         # testing with timezone, GH #2785
-        rng = date_range('1/1/1990', periods=N, freq='H', tz='US/Eastern')
+        rng = date_range('1/1/1990', periods=N, freq='H',
+                         tz='America/New_York')
         ts = Series(np.random.randn(N), index=rng)
 
         # also test Timestamp tz handling, GH #2789
@@ -368,8 +370,8 @@ def test_getitem_setitem_datetime_tz_dateutil(self):
         assert_series_equal(result, ts)
 
         result = ts.copy()
-        result[datetime(1990, 1, 1, 3, tzinfo=tz('US/Central'))] = 0
-        result[datetime(1990, 1, 1, 3, tzinfo=tz('US/Central'))] = ts[4]
+        result[datetime(1990, 1, 1, 3, tzinfo=tz('America/Chicago'))] = 0
+        result[datetime(1990, 1, 1, 3, tzinfo=tz('America/Chicago'))] = ts[4]
         assert_series_equal(result, ts)
 
     def test_getitem_setitem_periodindex(self):